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6 tháng 7 2021

1. My father's favourite sport is tennis

2. What do you think about robot's role in the future?

3. People interested in seeing teaching robots and home robots

4. he suggest using reusable shopping bags

5. He  had a bad injury so he  didn’t play in the final match

6. My mother run fast

7. I started done yoga for 5 years

8. Laura finds aerobics is an exciting physical activity.

6 tháng 7 2021

e sửa chút nhé

7 done => doing

8 Laura finds aerobics an exciting physical activity.

Why (you look).......................... at me like that? 2. We usually go skiing every year, but this year we (not go).......................... anywhere. 3. The earth (go).......................... round the sun. 4. She told me her address, but I (not remember).......................... it. 5. She (prefer).......................... tea to coffee. 6. Paul (not like).......................... maths. 7. Normally I get up at 8, but this week I (get up).......................... at 7. 8. My...
Đọc tiếp
Why (you look).......................... at me like that? 2. We usually go skiing every year, but this year we (not go).......................... anywhere. 3. The earth (go).......................... round the sun. 4. She told me her address, but I (not remember).......................... it. 5. She (prefer).......................... tea to coffee. 6. Paul (not like).......................... maths. 7. Normally I get up at 8, but this week I (get up).......................... at 7. 8. My sister Sonia (live).......................... in London. 9. My brother usually (go).......................... to work by train. 10. Lucy is not in London at the moment. She (stay).......................... in Paris. 11. Let's go jogging. It (not rain).......................... at the moment. 12. I (learn).......................... Spanish. My friend is teaching me. 13. How is your father? Is he still ill? No, he (get better).......................... . 14. Do not put the scissors away I (use).......................... them. 15. Can you hear those girls? What (they talk).......................... about? 16. Can you cook? No but I (learn).......................... . 17. Are you thirsty? (you want).......................... something to drink? 18. Ann (look for).......................... a new job. 19. 'What (your parents do).......................... ?' 'They are teachers.' 20. (you need).......................... a ticket to see your mother play at the theatre?
5
3 tháng 2 2021

1. Why are you looking at me like that?

2. won't go

3. goes

4. didn't remember

5. prefers

3 tháng 2 2021

6. doesn't like

7. get up

8. live/is living

9. goes

Bài1: Give the correct form of the words in brackets.(2pts) 1. The noise in the city kept Hoa...................at night. (Wake) 2. In................to that, my bike tires was flat. (Add) 3. Mr. Tan has a very...............................tooth. (Pain) 4. Then, Thanh.................a pan and stir-fried the beef. (Hot) 5. Sugar is not an......................food because we need it to live. (Health) 6. Catching the common cold is..................for every body. (Please) 7. Don't...
Đọc tiếp

Bài1: Give the correct form of the words in brackets.(2pts)

1. The noise in the city kept Hoa...................at night. (Wake)

2. In................to that, my bike tires was flat. (Add)

3. Mr. Tan has a very...............................tooth. (Pain)

4. Then, Thanh.................a pan and stir-fried the beef. (Hot)

5. Sugar is not an......................food because we need it to live. (Health)

6. Catching the common cold is..................for every body. (Please)

7. Don't worry! Your cold will last for a few days and then................ (Appear)

8. I have.................time to play than my friend. (Little)

Bài 2: Finish each of the following sentences in such a way that it is as similar as possible in meaning to the sentence printed before it.(2pts)

1 Listening to music is more interesting than watching TV.

=> I prefer........................................................................................................

2. It isn't important for you to finish the work today.

=> You don't......................................................................................................

3. How much is this dictionary?

=> What ........................................................................................................?

4. How heavy is the chicken?

=> What...........................................................................................................?

5. Mr. Trung and Mrs. Trung type quickly .

=> Mr. Trung and Mrs. Trung..................................................................................

6. I got to work in half an hour yesterday.

=> It took ..........................................................................................................

7. My mother doesn't like coffee and tea.

=> My mother likes neither....................................................................................

8. You shouldn't eat too much candy.

=> You'd...........................................................................................................

Bài 3: There is a mistake in each of these sentences. Underline the mistake and then correct it. (2pts)

1. The dirt on vegetables can cause you sick .

=> ..................................................................................................................

2. Scientists say that the life started in the ocean .

=> .................................................................................................................

3. He gave up to smoke 2 years ago.

=> ...................................................................................................................

4. He is a fast runner. He runs fastly.

=> ...................................................................................................................

5. Can I lend your pencil? I'm sorry. I'm using it.

=> ...................................................................................................................

6. You should keep silently when they are working.

=> ..................................................................................................................

7. How many times in a day do you brush your teeth ?

=> ...................................................................................................................

8. Long is worried because he has see the dentist.

=> ...................................................................................................................

3
24 tháng 1 2018

Bài 1: 1. awake 2. addition 3. painful 4. heated

5. unhealthy 6. unpleasant 7. disappear 8. less

24 tháng 1 2018

Bài 2 :

1. I prefer listening to music to watching TV.

2. You don't have/need to finish the work today.

3. What is the price of this dictionary?

4. What is the weight of chicken?/ What is the chicken's weight?

5. Mr. Trung and Mrs are quick typists .

6. It took me half an hour to get to work yesterday .

7. My mother likes neither coffee nor tea .

8. You'd better not eat too much candy.

cau 1 : give the correct form of verbs given : 1 i am sorry . i ( not finish ) ................... this work yet 2 poems as well as play (write) ................. by william shakespeare 3 how many times you (be)................... to van mieu? 4 they like (chat) ................... they use the internet very often 5 i (have) .................a phone call while i (surf) ............ the wed yesterday cau 2 : 1 in recent years , more and more people ............... for things with credit cards a...
Đọc tiếp

cau 1 : give the correct form of verbs given : 1 i am sorry . i ( not finish ) ................... this work yet 2 poems as well as play (write) ................. by william shakespeare 3 how many times you (be)................... to van mieu? 4 they like (chat) ................... they use the internet very often 5 i (have) .................a phone call while i (surf) ............ the wed yesterday cau 2 : 1 in recent years , more and more people ............... for things with credit cards a pay b paid c are paying d have been paying 2 what people .................. benetton stores is that the quality is always high a like b like very much c like about d like a lot 3 paplo would like to ......................by the time he is 40 a travel b be traveling c be going to travel d have traveled 4 the world would be a better place if everyone showed ..............cooperation as john a as much b so much c too much d much 5 he turned on the tv , ................... i thought was rather surprising a and b so c that d which 6 my car would not start , ............................ jenny is started immediately a whereas b though c however d nevertheless 7 they stayed for hours , which i was very .................. a annoyed b annoyed about c annoying d annoying me 8 that was a very strange question ............................................. a you ask b you are asking c for asking d to ask 9 ..............................a movie to be entertaining , it has to have an interesting story a so that b in order that c in order for d in order to cau 2 : rewrite the following snetences : 1 would you please give me a hand ? >> would you mind ................................. ? 2 i can not understand him because he speaks so quickly >> if he did not ........................................... 3 although he took a taxi , he arrived late for the concert ..>>in spite of .................................................... 4 the suitcase is so heavy that i can not carry it >> it is such .............................................. 5 people say that he is an excellent footballer . >> he is ................................................................. 6 my mother used to make us clean the house ....>> we used ........................... 7 it is two years since i last spoke to her >> i have not ....................................... 8 going swimming in the river in the summer is interesting >> it ................................. cau 3 : give the corect form ò verbs given : 1 if he saves up , he soon ( be able ).................to afford a new car 2 what a mess! duc is toys ( not put ) .................. away 3 if you feel like (stay ) ................with us , just send us a fax 4 my sister and i (stay ) ...................... at our grandparents when we (meet ) ............our great grand aunt for the first time

1
11 tháng 5 2017

cau 1 : give the correct form of verbs given :

1 i am sorry . i ( not finish ) ..........HAVEN'T FINISHED......... this work yet

2 poems as well as play (write) ........WRITTEN......... by william shakespeare

3 how many times HAVE you (be).........BEEN.......... to van mieu?

4 they like (chat) ........CHATTING........... they use the internet very often

5 i (have) ........HAD.........a phone call while i (surf) ......WAS SURFING...... the wed yesterday

cau 2 :

1 in recent years , more and more people ............... for things with credit cards

a pay b paid c are paying d have been paying

2 what people .................. benetton stores is that the quality is always high

a like b like very much c like about d like a lot

3 paplo would like to ......................by the time he is 40

a travel b be traveling c be going to travel d have traveled

4 the world would be a better place if everyone showed ..............cooperation as john

a as much b so much c too much d much

5 he turned on the tv , ................... i thought was rather surprising

a and b so c that d which

6 my car would not start , ............................ jenny is started immediately

a whereas b though c however d nevertheless

7 they stayed for hours , which i was very ..................

a annoyed b annoyed about c annoying d annoying me

8 that was a very strange question .............................................

a you ask b you are asking c for asking d to ask

9 ..............................a movie to be entertaining , it has to have an interesting story

a so that b in order that c in order for d in order to

cau 2 : rewrite the following snetences :

1 would you please give me a hand ?

>> would you mind giving me a hand ?

2 i can not understand him because he speaks so quickly

>> if he did not speak so quickly, i can understand him

3 although he took a taxi , he arrived late for the concert .

>>in spite of taking a taxi , he arrived late for the concert .

4 the suitcase is so heavy that i can not carry it

>> it is such a heavy suitcase that i can not carry it

5 people say that he is an excellent footballer .

>> he is said to be an excellent footballer .

6 my mother used to make us clean the house ....

>> we used to be made clean the house

7 it is two years since i last spoke to her

>> i have not spoken to her for two years

8 going swimming in the river in the summer is interesting

>> it is interesting to go swimming in the river in the summer

cau 3 : give the corect form ò verbs given :

1 if he saves up , he soon ( be able )........will soon be able.........to afford a new car

2 what a mess! duc is toys ( not put ) ........haven't been put.......... away

3 if you feel like (stay ) .........staying.......with us , just send us a fax

4 my sister and i (stay ) ...........were staying........... at our grandparents when we (meet ) ......met......our great grand aunt for the first time

1 tháng 10 2019

1.The children[play]........PLAYS .cards

2.It[get]......GETES...dark

3.She[wear]....WEARES....a beautiful dress

4.What you[do].....DO....at this time yesterday -I[have]....HAVE....dinner and[watch]....WATCH.....TV

5.Why that man [run]..........so fast? -Because someone [chase].....CHASES......him.

6.Two children [play]......PLAYES....on the sand two men [sunbath]...SUNBATHES........in the sun.

7.My mother [not cook].......DOES'T COOK.. ;she [watch].......WATCHES...TV when I went home

8.Who you [talk]......TALK...to? -I [talk]........TALK...to my new friend.

9.Where they [stay].......STAY...? -They [stay].....ARE STAY....in the most expensive hotel in LonDon.

10.What Mr.and Mrs. John [do].....DOES....when you came? -Mr. John [work].....WORKS.....in the garden and Mrs. Johns [shop] SHOPS

11.She [stand]..........STANDES .at the bus stop. I asked her what bus she [wait]......WAIT...for

12.Tom [sit].....SITES......in a corner with a book. I told him that he [read].....READ....in very bad light

1 tháng 10 2019

Ý kiến khác:

1.The children[play].....are playing....cards

2.It[get].....is getting....dark

3.She[wear]....is wearing....a beautiful dress

4.What you[do].....was you doing....at this time yesterday -I[have]...was having.....dinner and[watch]....watching.....TV

5.Why that man [run]......is that man running....so fast? -Because someone [chase].....is chasing......him.

6.Two children [play]......are playing....on the sand two men [sunbath]......are sunbathing.....in the sun.

7.My mother [not cook].....wasn't cooking.... ;she [watch]....was watching......TV when I went home

8.Who you [talk].....are you talking....to? -I [talk]......am talking.....to my new friend.

9.Where they [stay]......are they staying....? -They [stay]....are staying.....in the most expensive hotel in LonDon.

10.What Mr.and Mrs. John [do].....were doing....when you came? -Mr. John [work].....was working.....in the garden and Mrs. Johns [shop] was shopping

11.She [stand]......was standing.....at the bus stop. I asked her what bus she [wait].....had been waiting....for

12.Tom [sit]......was sitting.....in a corner with a book. I told him that he [read].....had been reading....in very bad light

30 tháng 11 2019

Rewirte the sentences without changing the meaning. Remember to use the structure: adjctive + that clause
1. We are delighted. Everyone enjoys our homemade cakes.

=> We are delighted that everyone enjoys our homemade cakes.
2. He is so pleased. His parents are waiting at the school gate to take him home.

=> He is so pleased that his parents are waiting at the school gate to take him home.
3. I am so happy. My brother got a safe flight.
=> I am so happy that my brother got a safe flight.

4. We afraid. We can't join the party with you.
=> We afraid that we can't join the party with you.

5. I'm so sorry. I lost your favourite pen on my way home.
=> I'm so sorry that I lost your favourite pen on my way home.

6. Thu was anxious. She has lost her identity card.
=> Thu was anxious that she has lost her identity card.

7. She is certain. Her son will be accepted to a high for the gifted.
=> She is certain that her son will be accepted to a high for the gifted.

8. My father is upset. My brother wants to drop out of high school.
=> My father is upset that my brother wants to drop out of high school.

9. He is amazed. His colleagues celebrate his birthday in a fun way.
=> He is amazed that his colleagues celebrate his birthday in a fun way.

10. She was worried. Her father's surgery would be unsuccessful.

=> She was worried that her father's surgery would be unsuccessful.

8 tháng 12 2019

1.We are delighted that everone enjoys our homemade cakes.

2.He is so pleased that his parents are waiting at the school gate to take him home.

3.I'm so happy that my brother got a safe flight.

4.We afraid that we can't join the party with you.

5.I'm so sorry that I lost your favourite pen on my way home.

6.Thu was anxious that hes lost her identity card.

7.She is certain that her son will be accepted to a high for the gifted.

8.My father is upset thatmy brotherwants to drop out of hight school.

9.He is amzed that his colleaguesvcelebrate his birthday in a fun way.

10.She was worried that her father's surgery would be unsuccessful.

I. Rewrite VERB or NOUN 1) She cooks very well. She is a............................................................................................ 2) My aunt teaches English very well. My aunt is........................................................................................ 3) He cycles very slowly. He is............................................................................................... 4) He types carefully . He...
Đọc tiếp

I. Rewrite VERB or NOUN
1) She cooks very well.
She is a............................................................................................
2) My aunt teaches English very well.
My aunt is........................................................................................
3) He cycles very slowly.
He is...............................................................................................
4) He types carefully .
He is.................................................................................................
5) These children are quick runners.
These children can........................................................................
6) My father plays soccer very well.
My father is a........................................................................................
7) I drive very badly.
I am a................................................................................................
8) She sings very beautifully
She is a.............................................................................................
9) He works very hard.
He is........................................................................................................
10)Tom swims very fast.
Tom is...............................................................................................

REWITE SENTENSES
I, Rewrite" Although/ Despite / In spite of "and " Because/ Because of"
1) Although Tom was a poor student, he studied very well.
In spite of.......................................................................................................
2) Mary could not go to school because she was sick.
Because of.....................................................................................................
3) Although the weather was bad , she went to school on time.
Despite ..........................................................................................................
4) My mother told me to go to school although i was sick.
In spite............................................................................................................
5) Because there was a big storm . I stayed at home.
Because of.......................................................................................................
6) Tom was admitted to the university although his grades were bad.
Despite...........................................................................................................
7) Although she has a physical handicap, she has become a successful woman.
Despite...............................................................................................................
8) In spite of his god salary ,Tom gave up his job.
Although...........................................................................................................
9) Though he had not finished the paper , he went to sleep.
In spite of..............................................................................................................
10) In spite of the high prices , my daughter insists on going to the movies.
Even though.........................................................................................................

4
3 tháng 8 2017

I. Rewrite VERB or NOUN
1) She cooks very well.
She is a...................good cook.........................................................................
2) My aunt teaches English very well.
My aunt is...............AN GOOD NEGLISH TEACHER.........................................................................
3) He cycles very slowly.
He is...........SLOW CYCLER....................................................................................
4) He types carefully .
He is.............CAREFUL TYPIST....................................................................................
5) These children are quick runners.
These children can.............RUN QUICKLY...........................................................
6) My father plays soccer very well.
My father is a............GOOD SOCCER PLAYER............................................................................
7) I drive very badly.
I am a...................BAD DRIVER.............................................................................
8) She sings very beautifully
She is a...................BEAUTIFUL SINGER..........................................................................
9) He works very hard.
He is.......................HARD WORKER.................................................................................
10)Tom swims very fast.
Tom is................FAST SWIMMER...............................................................................

REWITE SENTENSES
I, Rewrite" Although/ Despite / In spite of "and " Because/ Because of"
1) Although Tom was a poor student, he studied very well.
In spite of..................BEING A POOR STUDENT , TOM STUDIED VERY WELL.....................................................................................
2) Mary could not go to school because she was sick.
Because of..............MARY'S SICKNESS, SHE COULDN'T GO TO SCHOOL.......................................................................................
3) Although the weather was bad , she went to school on time.
Despite .....................THE BAD WEATHER , SHE WENT TO SCHOOL ON TIME.....................................................................................
4) My mother told me to go to school although i was sick.
In spite.................OF BEING SICK , MY MOTHER TO GO TO SCHOOL...........................................................................................
5) Because there was a big storm . I stayed at home.
Because of................A BIG STORM , I STAYED AT HOME.......................................................................................
6) Tom was admitted to the university although his grades were bad.
Despite........TOM'S BAD GRADES , HE ...................WAS ADMITTED TO THE UNIVERSITY................................................................................
7) Although she has a physical handicap, she has become a successful woman.
Despite..........THE FACT THAT she has a physical handicap, she has become a successful woman.....................................................................................................
8) In spite of his god salary ,Tom gave up his job.
Although......TOM GOT GOOD SALARY M HE GAVE UP HIS JOB.....................................................................................................
9) Though he had not finished the paper , he went to sleep.
In spite of..........THE FACT THAT ...............he had not finished the paper , he went to sleep......................................................................................
10) In spite of the high prices , my daughter insists on going to the movies.
Even though........IT HAS HIGH PRICES , .my daughter insists on going to the movies.................................................................

3 tháng 8 2017

I. Rewrite VERB or NOUN
1) She cooks very well.
She is a....good cook...................
2) My aunt teaches English very well.
My aunt is......a good English teacher........................
3) He cycles very slowly.
He is.......a slow cyclist...................
4) He types carefully .
He is.......a careful typist......................
5) These children are quick runners.
These children can.....run quickly............
6) My father plays soccer very well.
My father is a......good soccer player...........................
7) I drive very badly.
I am a.....bad driver...............................................
8) She sings very beautifully
She is a..beautiful singer...........................................
9) He works very hard.
He is...a hard worker..............
10)Tom swims very fast.
Tom is......a fast swimmer.............................

REWITE SENTENSES
I, Rewrite" Although/ Despite / In spite of "and " Because/ Because of"
1) Although Tom was a poor student, he studied very well.
In spite of........being a poor student, he studied very well....................
2) Mary could not go to school because she was sick.
Because of.....her sickness, Mary couldn't go to school.....................
3) Although the weather was bad , she went to school on time.
Despite .........the bad weather, she went to school on time............
4) My mother told me to go to school although i was sick.
In spite...of my sickness, my mothet told me..............
5) Because there was a big storm . I stayed at home.
Because of...........a big storm, I stayed at home...........
6) Tom was admitted to the university although his grades were bad.
Despite........Tom's bad grades, he was admitted to the university......................
7) Although she has a physical handicap, she has become a successful woman.
Despite.... her physical handicap, she has become a successful woman.............

8) In spite of his god salary ,Tom gave up his job.
Although.......Tom had a good salary, he gave up his job
9) Though he had not finished the paper , he went to sleep.
In spite of.....having not finished the paper, he went to sleep........
10) In spite of the high prices , my daughter insists on going to the movies.
Even though......the prices are high, my daughter insists on going to the movies............

22 tháng 2 2020

Adj + to V và adj + that + clause: Rewirite the sentences without changing the meaning. Remember to use the structure: adjective + that clause

1. We are delighted. Everyone enjoys our homemade cakes

-> We are so delighted that everyone enjoys our homemade cakes

2. He is so pleased. His parents are waiting at the school gate to take him home

-> He is so pleased that his parents are waiting at the scho gate to take him home

3. I am so happy. My brother got a safe flight

-> I am so happy that my bother got a safe light

4. We are afraid. We can't join the party with you

-> We are afraid that we can't join the party with you

5. I'm so sorry. I lost your favorite pen on my way home

-> I'm so sorry that I lost your favorite pen on my way home

6. Thu was anxious. She has lost her identity card

-> Thu was so anxious that she has lost her identity card

7. She is certain. Her son will be accepted to a high school for the gifted

-> She is so certain that her son will be accepted to a high school for the gifted

8. My father is upset. My brother wants to drop out of high school

-> My father is so upset that my brother wants to drop out of high school

9. He is amazed. His colleagues celebrate his brithday in a fun way

-> He is so amazed that his colleagues celebrate his birthday in a fun way

10. She was worried. Her father's surgery would be unsuccessful

-> She was so worried that her father's surgery would be unsuccessful

30 tháng 6 2020

Supply the correct form of the word im capital to complete cacka of the following sentences. (1.5 pts)

1. We went to see many ___famous__ places in Hanoi last year (FAME)

2. The accident happens because of driving___carelessly__ (CARE)

3. My mother decided I should learn __embroidery___ (EMBROIDER)

4. This is the __worst___ storm we have had for years (BAD)

5. He was a _musician_____ He had a large of musical instruments (MUSIC)

6. ___Confidence__ can help you succeed in many field . (CONFIDENT)

30 tháng 6 2020

1, famous

2, carelessly

3, embroidery

4, worst

5, musician

6, Confidence

1. Study hard or you will fail the exam. a. If you didn't study hard, you wouldn't fail the exam b. If you study harder, you won't pass the exam. c. If you don't study hard, you will fail the exan. d. If you studied hard, you will pass the exam. 2.'I'm going on the Internet now' Minh said. a. Minh said he is going on the Internet now. b. Minh said I am going on the Internet now. c. Minh said us he was going in the Internet ther. d. Minh told us he was going on the Internet then. 3....
Đọc tiếp
1. Study hard or you will fail the exam. a. If you didn't study hard, you wouldn't fail the exam b. If you study harder, you won't pass the exam. c. If you don't study hard, you will fail the exan. d. If you studied hard, you will pass the exam. 2.'I'm going on the Internet now' Minh said. a. Minh said he is going on the Internet now. b. Minh said I am going on the Internet now. c. Minh said us he was going in the Internet ther. d. Minh told us he was going on the Internet then. 3. My daughter is looking forward to seeing her friends again. a. My daughter is expecting to see her friends again. b. My daughter feels bored because she is going to see hei friends. c. My daughter doesn't want to see her friends again. d. My daughter always like seeing her friends. 4. Why don't you use a password to protect your files? An said to me. a. An advised me to usc a password to protect your files b. An suggested me using a password to protect my files c. An encouraged me to use a password to protect my files d. An asked me why I didn't use a password to protect my files. 5. You haven't seen Mary today, have you? a. You haven't seen Mary so far b. Have you ever met Mary before? c. Have you seen Mary today by any chance? d. Are you going to see Mary today? B. Write the second sentence so that it has a similar meaning to the first. 1. Your parents' house is still in Nha Trang, isn't it? Your parents still___________ 2. My brother spends thrce hours surfing the Net every night. It takes_________ 3. She asked Joanna how she thought of her new dress? . 'How__________ 4.'Do you like watching ?' He said to me. He asked___________ 5. I was surprised I passed the exam. I didn't expect__________ 6. Do you find it difficult to understand him'? Do you have____________ 7. It's a pity I don't know many people here. I wish____________ 8. 'Laura! Don't touch the electric wires!" Mike warned____________ 9. My mother never allows me to go out alone at night. My mother never lets___________ 10. People should use bicycles for short journeys. Bicycles___________
2
15 tháng 9 2018

1. Study hard or you will fail the exam.

a. If you didn't study hard, you wouldn't fail the exam

b. If you study harder, you won't pass the exam.

c. If you don't study hard, you will fail the exan.

d. If you studied hard, you will pass the exam.

2.'I'm going on the Internet now' Minh said.

a. Minh said he is going on the Internet now.

b. Minh said I am going on the Internet now.

c. Minh said us he was going in the Internet ther.

d. Minh told us he was going on the Internet then.

3. My daughter is looking forward to seeing her friends again.

a. My daughter is expecting to see her friends again.

b. My daughter feels bored because she is going to see hei friends.

c. My daughter doesn't want to see her friends again.

d. My daughter always like seeing her friends.

4. Why don't you use a password to protect your files? An said to me.

a. An advised me to usc a password to protect your files

b. An suggested me using a password to protect my files

c. An encouraged me to use a password to protect my files

d. An asked me why I didn't use a password to protect my files.

5. You haven't seen Mary today, have you?

a. You haven't seen Mary so far

b. Have you ever met Mary before?

c. Have you seen Mary today by any chance?

d. Are you going to see Mary today?