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10 tháng 9 2023

Rearrange the given phrases to make a complete sentence.
1. Nam/most/the Mekong Delta./ to/many/like/activities/children in/has/do/every day
______________Nam has to do many activities every day like most children in the Mekong Delta___________________________________________________________

2. It's / a bicycle. / far / for / to / walk / has / so / to ride / too / Susan / she / to school,
_______________It's too far for Susan to walk to school, so she has to ride a bicycle__________________________________________________________

I: Read the passage carefully. (MY VILLAGEI live in a village by Mekong River. Every day, like most of my friends, I walk to school. It is three kilometres away. After class, I often help my mother to collect water from the river and feed the chickens. At the weekend, the villagers often gather at the community hall where there is a TV. The adults watch TV, but more often they talk about their farm work and exchange news. The children run around, playing games and shouting merrily. Laughter is...
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I: Read the passage carefully. (
MY VILLAGE
I live in a village by Mekong River. Every day, like most of my friends, I walk to school. It is three kilometres away. After class, I often help my mother to collect water from the river and feed the chickens. At the weekend, the villagers often gather at the community hall where there is a TV. The adults watch TV, but more often they talk about their farm work and exchange news. The children run around, playing games and shouting merrily. Laughter is heard everywhere.
My father sometimes takes me to the market town nearby where he sells our home products like vegetables, fruits, eggs… He then buys me an ice cream and lets me take a ride on the electric train in the town square. I love those trips.
On starry nights, we children lie on the grass, looking at the sky and daring each other to find the Milky Way. We dream of faraway places.
1. Read the passage and tick (P) True or False (0,5pt) T F
1/ The boys helps his parents to collect water from the village well.
2/The villagers gather at the community hall at the weekend.
2. Answer the following questions.(1.0pt)
1/ Does the boy like riding on the electric train in the town square?
\(\Rightarrow\)………………………………………………………………………………
2/ What do the children do on starry nights?
\(\Rightarrow\)……………………………………………………………………………
3/ Do you like to live in the countryside or in the city ? Why?
\(\Rightarrow\)……………………………………………………………………………

1
10 tháng 12 2019

1. Read the passage and k (P) True or False (0,5pt) T F
1/ F
2/T
2. Answer the following questions.(1.0pt)
1/ Does the boy riding on the electric train in the town square?
\(\Rightarrow\)Yes, he does
2/ What do the children do on starry nights?
\(\Rightarrow\)On starry nights, the children lie on the grass, looking at the sky and daring each other to find the Milky Way.
3/ Do you to live in the countryside or in the city ? Why?
\(\Rightarrow\)I living in the countryside because it's very peaceful

^_^

I. Chia động từ trong ngoặc ở thì Hiện Tại Đơn:1. I (be) ________ at school at the weekend.2. She (not study) ________ on Friday.3. My students (be not) ________ hard working.4. He (have) ________ a new haircut today.5. I usually (have) ________ breakfast at 7.00.6. She (live) ________ in a house?7. Where ­­­­_________your children (be) ________?8. My sister (work) ________ in a bank.9. Dog (like) ________ meat.10. She (live)________ in Florida. 11. It (rain)________ almost...
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I. Chia động từ trong ngoặc ở thì Hiện Tại Đơn:

1. I (be) ________ at school at the weekend.

2. She (not study) ________ on Friday.

3. My students (be not) ________ hard working.

4. He (have) ________ a new haircut today.

5. I usually (have) ________ breakfast at 7.00.

6. She (live) ________ in a house?

7. Where ­­­­_________your children (be) ________?

8. My sister (work) ________ in a bank.

9. Dog (like) ________ meat.

10. She (live)________ in Florida.

11. It (rain)________ almost every day in Manchester.

12. We (fly)________ to Spain every summer.

13. My mother (fry)________ eggs for breakfast every morning.

14. The bank (close)________ at four o'clock.

15. John (try)________ hard in class, but I (not think) ________ he'll pass.

16. Jo is so smart that she (pass)________ every exam without even trying.

17. My life (be) so boring. I just (watch)________ TV every night.

18. My best friend (write)________ to me every week.

19. You (speak) ________ English?

20. She (not live) ________ in Hai Phong city.

II. Chia động từ trong ngoặc ở thì Qúa Khứ Đơn:

1.The homework ………………very difficult yesterday.(be)

2 The children …………….in the park five minutes ago.(play)

3, I………………late for school yesterday(be)

4, …………..you …………. to the zoo yesterday ?(go)

5, They ……………..home yesterday(return)

6,Two years ago, he………Math in a small school in the countryside.(teach)

7,Yesterday was Sunday. Mr Tam …………….go to school( not go)

8, I……….very funny on my last vacation. ( be)

9, She …………………last night. (not come)

10, When…………. you ………… your exercises?- Last night.(do)

11, I ……………her at the movie theater last night.(meet)

12, Last Sunday he ………………..to the English club ( not go)

13, My father (not watch) TV last night but I ……………..(do)

14, Last year, my family (go)………to Nghe An. It (be)…….my husband’s family. We (feel)………very happy to meet our relatives. We (do)……………..a lot of things. In the morning ,we used to (go )………to the fields, we (grow)……………..rice .In the afternoon, we (swim) ……………..in the river. In the evening, we (watch)……………TV and (talk )……………..about many things.

III. Chia động từ trong ngoặc ở thì Hiện Tại Tiếp Diễn:

2/. They (meet) ____________their teacher at the moment.

3/. We (visit ) _____________the museum at the moment.

1. John (not read) ________ a book now.

2. What______you (do) ________ tonight?

3. Silvia (not listen) ________ to music at the moment.

4. Maria (sit) ________ next to Paul right now.

5. He­­­­_______always (make) ________ noisy at night.

6. Where your husband (be) ________?

7. My children (be)_____ upstairs now. They (play)______ games.

8. Look! The bus (come)________.

9. He always (borrow) ____­­­­­_____me money and never (give)_________back.

10. While I (do)__________my housework, my husband (read)___________ books.

11. He ( not paint)______________ his pictures at the moment

12. We ( not plant) ______________the herbs in the garden at present

13. ________They ( make)___________ the artificial flowers of silk now?

14. Your father ( repair)______________your motorbike at the moment

15. Look! The man ( take)______________the children to the cinema.

16. Listen! The teacher ( explain) ______________a new lesson to us.

17. Ba ( study_______________Math very hard now.

18. We ( have) ______________dinner in a restaurant right now.

19. I ( watch) ______________TV with my parents in the living room now.

20. Some people( not drink)_____________coffee now.

IV. Chia động từ trong ngoặc ở thì Qúa Khứ Tiếp Diễn:
1. Yesterday at six I (prepare)___________dinner,
2. The kids (play)_______in the garden when it suddenly to rain.
3. I (practise)________the guitar when he came home.
4. We (not/cycle) ________all day.
5. What (you/do) ________yesterday?
6. Most of the time we (sit) _________in the park.

7. At this time yesterday we (play)__________tennis in the schoolyard.

8. At 7:00 p.m yesterday I (watch) _________TV.

9. Yesterday while my father (watch) ________TV, my mother (read) ______the newspaper, my sister (do) ________her homework and I (play) _______chess with my friend.

10. She (do) ____ her homework at the time yesterday.

11. Marry (water) ________the flowers at 3:00 p.m yesterday.

12. They (visit) ________the zoo at ten o’clock yesterday.

13. At this time last year we (learn) ________English in London.

14. Peter and I (do) ____the exercise at this time last night.

15. When I phoned my friends, they (play) _________cards..
help mekhocroi

 

 

 

6
22 tháng 10 2016

chỉ ghi đáp án thôi nhé ko cần viết lại câu ấy đâu

22 tháng 10 2016

1. I (be) am at school at the weekend.

2. She (not study) doesn't study on Friday.

3. My students (be not) aren't hard working.

4. He (have) has a new haircut today.

5. I usually (have) have breakfast at 7.00.

6. Does she (live) live in a house?

7. Where ­­­­are your children ?

8. My sister (work) works in a bank.

9. Dog (like) likes meat.

10. She (live) lives in Florida.

11. It (rain) rains almost every day in Manchester.

12. We (fly) fly to Spain every summer.

13. My mother (fry) fries eggs for breakfast every morning.

14. The bank (close) closes at four o'clock.

15. John (try) tries hard in class, but I (not think) don't think he'll pass.

16. Jo is so smart that she (pass) passes every exam without even trying.

17. My life (be) is so boring. I just (watch) watch TV every night.

18. My best friend (write) writes to me every week.

19. Do you (speak) speak English?

20. She (not live) doesn't live in Hai Phong city.

 

31 tháng 7 2016

chia động từ và đổi sang dạng Nghi Vấn
1. there was a traffic jam in the center of the city almost every day since last year.
2. the comic books published by Kim Dong publisher sold out very quickly
3. The students in grade will invite the Singapore penpal friends to come and visit HCM City this summer
4. they help their mother with the housework every day.
5. the teachers organises some activities on the coming May Day 
6. they will have a party at their friend's house tonight

Read the passage below and choose the best answer (A, B, C, D ) for each question: Prague has the population of over one million people. It is not the biggest city in Europe, but it is certainly one of the most beautiful. People call Prague the “ Golden City” and the “Mother of City” because it has beautiful buildings and statues. Perhaps the most popular building is the Old Town Hall with its amazing 15th century clock. People also call Prague “Europe’s School of ...
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Read the passage below and choose the best answer (A, B, C, D ) for each question:

Prague has the population of over one million people. It is not the biggest city in Europe, but it is certainly one of the most beautiful. People call Prague the “ Golden City” and the “Mother of City” because it has beautiful buildings and statues. Perhaps the most popular building is the Old Town Hall with its amazing 15th century clock. People also call Prague “Europe’s School of Music” . There are many concert halls and every May there is a famous music festival: ”Prague Spring” ,There are also twenty theaters and many old pubs, wine bar and restaurants. There is now a modern underground, but traffic is still a problem. It is often better to walk and feel the atmosphere of the pretty little streets.

1. The population of Prague is ………………………………….

A. over one million people B. one million people

C. only two million people D. less than one million people

2 Prague is one of the most beautiful city in……………………………………..

A. Asia B. Europe C. Africa D. America

3. Which building in Prague has 15th century clock?

A. The Golden City B. The Mother of City C. The Old Town Hall D. Europe’s School of Music

4.The famous music festival: “Prague Spring” is held ……………………………

A. every year B. on June C. every May D. every July

GIÚP MK VỚI

3
14 tháng 12 2016

Read the passage below and choose the best answer (A, B, C, D ) for each question:

Prague has the population of over one million people. It is not the biggest city in Europe, but it is certainly one of the most beautiful. People call Prague the “ Golden City” and the “Mother of City” because it has beautiful buildings and statues. Perhaps the most popular building is the Old Town Hall with its amazing 15th century clock. People also call Prague “Europe’s School of Music” . There are many concert halls and every May there is a famous music festival: ”Prague Spring” ,There are also twenty theaters and many old pubs, wine bar and restaurants. There is now a modern underground, but traffic is still a problem. It is often better to walk and feel the atmosphere of the pretty little streets.

1. The population of Prague is ………………………………….

A. over one million people B. one million people

C. only two million people D. less than one million people

2 Prague is one of the most beautiful city in……………………………………..

A. Asia B. Europe C. Africa D. America

3. Which building in Prague has 15th century clock?

A. The Golden City B. The Mother of City C. The Old Town Hall D. Europe’s School of Music

4.The famous music festival: “Prague Spring” is held ……………………………

A. every year B. on June C. every May D. every July

12 tháng 12 2016

1.A

2.B

3.C

4.C

Read the passage, then choose the correct answerMany people now think that teachers give students too much homework. They say that it is unnecessary for children to work at home in their free time.Moreover, they argue that most teachers do not properly plan the homework tasks they give to students. The result is that students have to repeat tasks which they have already done at school.Most people agree that homework is unfair. A student who can do his homework in a quiet and comfortable room is...
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Read the passage, then choose the correct answer

Many people now think that teachers give students too much homework. They say that it is unnecessary for children to work at home in their free time.

Moreover, they argue that most teachers do not properly plan the homework tasks they give to students. The result is that students have to repeat tasks which they have already done at school.

Most people agree that homework is unfair. A student who can do his homework in a quiet and comfortable room is in a much better position than a student who does his homework in a small, noisy room with the television on. Some parents help their children with their homework. Other parents take no interest at all in their children’s homework.

It is important, however, that teachers talk to parents about homework. A teacher should suggest suitable tasks for parents to do with their children. Parents are often better at teaching their own children!

1. According to the writer________.

A. many parents would like their children to have less homework.

B. homework is unnecessary for children.

C. students should do a lot of work in their leisure time.

D. teachers used to give their students less homework.

2. According to many parents,________

A. most homework is difficult.

B. their children have to plan the homework tasks.

C. most teachers do not properly plan the homework tasks.

D. most teachers give old homework.

3. Students ________

A. can do their homework better in a quiet room.

B. can not do their homework without their parents’ help.

C. can do their homework better in a noisy room.

D. do not have any homework now.

4. Only a small number of people ________

A. can help their children with their homework.

B. take interest in their children’s homework.

C. agree that homework is unnecessary.

D. think that homework is fair.

5. According to the passage, teachers should________

A. advise parents about how to work together with their children at home.

B. plan the homework tasks more carefully.

C. allow students to stay at school to do their homework.

D. not give their students too much homework.

2
31 tháng 7 2016

Read the passage, then choose the correct answer

Many people now think that teachers give students too much homework. They say that it is unnecessary for children to work at home in their free time.

Moreover, they argue that most teachers do not properly plan the homework tasks they give to students. The result is that students have to repeat tasks which they have already done at school.

Most people agree that homework is unfair. A student who can do his homework in a quiet and comfortable room is in a much better position than a student who does his homework in a small, noisy room with the television on. Some parents help their children with their homework. Other parents take no interest at all in their children’s homework.

It is important, however, that teachers talk to parents about homework. A teacher should suggest suitable tasks for parents to do with their children. Parents are often better at teaching their own children!

1. According to the writer________.

A. many parents would like their children to have less homework.

B. homework is unnecessary for children.

C. students should do a lot of work in their leisure time.

D. teachers used to give their students less homework.

2. According to many parents,________

A. most homework is difficult.

B. their children have to plan the homework tasks.

C. most teachers do not properly plan the homework tasks.

D. most teachers give old homework.

3. Students ________

A. can do their homework better in a quiet room.

B. can not do their homework without their parents’ help.

C. can do their homework better in a noisy room.

D. do not have any homework now.

4. Only a small number of people ________

A. can help their children with their homework.

B. take interest in their children’s homework.

C. agree that homework is unnecessary.

D. think that homework is fair.

5. According to the passage, teachers should________

A. advise parents about how to work together with their children at home.

B. plan the homework tasks more carefully.

C. allow students to stay at school to do their homework.

 

D. not give their students too much homework.

 

31 tháng 7 2016

Read the passage, then choose the correct answer

Many people now think that teachers give students too much homework. They say that it is unnecessary for children to work at home in their free time.

Moreover, they argue that most teachers do not properly plan the homework tasks they give to students. The result is that students have to repeat tasks which they have already done at school.

Most people agree that homework is unfair. A student who can do his homework in a quiet and comfortable room is in a much better position than a student who does his homework in a small, noisy room with the television on. Some parents help their children with their homework. Other parents take no interest at all in their children’s homework.

It is important, however, that teachers talk to parents about homework. A teacher should suggest suitable tasks for parents to do with their children. Parents are often better at teaching their own children!

1. According to the writer________.

A. many parents would like their children to have less homework.

B. homework is unnecessary for children.

C. students should do a lot of work in their leisure time.

D. teachers used to give their students less homework.

2. According to many parents,________

A. most homework is difficult.

B. their children have to plan the homework tasks.

C. most teachers do not properly plan the homework tasks.

D. most teachers give old homework.

3. Students ________

A. can do their homework better in a quiet room.

B. can not do their homework without their parents’ help.

C. can do their homework better in a noisy room.

D. do not have any homework now.

4. Only a small number of people ________

A. can help their children with their homework.

B. take interest in their children’s homework.

C. agree that homework is unnecessary.

D. think that homework is fair.

5. According to the passage, teachers should________

A. advise parents about how to work together with their children at home.

B. plan the homework tasks more carefully.

C. allow students to stay at school to do their homework.

D. not give their students too much homework.

viết thành câu gián tiếp  “ You should spend more time on English writing.” The teacher told Tim . Go out of here.” The guard ordered . “ You should not make noise in here.” The teacher said . “ Can you carry these chairs into the house ?” Mrs. Lan asked me . “ You should practice playing the guitar  every day.” The teacher said . “ Please give the manager this document .” The man asked the secretary . “ Does your father work here ?” She asked .“ Do you...
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viết thành câu gián tiếp

 

  1.  “ You should spend more time on English writing.” The teacher told Tim .
  2. Go out of here.” The guard ordered .
  3. “ You should not make noise in here.” The teacher said .
  4. “ Can you carry these chairs into the house ?” Mrs. Lan asked me .
  5. “ You should practice playing the guitar  every day.” The teacher said .
  6. “ Please give the manager this document .” The man asked the secretary .
  7. “ Does your father work here ?” She asked .
  8. “ Do you live near your family?” The teacher asked .
  9. “ Are you a foreigner ?” She asked .
  10. “ Are you in a hurry ?” She asked .
  11. “ Do you like having holidays abroad ?” He asked .
  12. “ Does your mother do the housework , Hoa ?” Lan asked .
  13. Are you hungry?” Nga asked .
  14. “ Does your sister write for the Morning Star ?” he asked .
  15. “ Would you pass my suitcase, please ?” he asked .
  16. “ You should go to bed early.” said Mom.
  17. “ Could you land me this book?” said Peter .
  18. “ I think it is going to rain tonight .” Bob said .
  19. Do many tourists visit Ha Long Bay every year?” asked Lan .
  20. “ Are you ready  for the party?” asked Mrs. Lan . 

 

 

1
13 tháng 10 2016

1. The teacher told Tim that he should spend more time on English writing.

2.The guard ordered them to go out of there.

3.The teacher told his students that they shouldn't make noise in there.

4.Mr Lan asked me if I could carry those chair into the house.

5.The teacher told his students that they should practice playing the guitar every day.

6. The man asked the secretary to give the managet that document.

7. She asked me if my father did there.

8.The teacher asked me if I lived near my faminly.

9. She asked me if i were a foreigner.

10.She asked me if i were in a hurry.

11.She asked me if i liked having holidays abroad.

12.Lan asked Hoa if her mother did the housework.

13.Nga asked if i was hungry.

14.He asked me if my sister wrote for the Morning Star.

15.He asked me to pass his suitcase.

16. Mom advised me to go to bed early.

17.Peterasked me if i  had land me this book.

18.Bob said that he thought it was going to rain that night.

19. Lan asked me if many torists visted Ha Long Bay every year.

20.Mrs Lan asked if i was ready for the party. 

3 tháng 7 2016

1, Nam’s new friend has (blond long/ long blond) hair.
2, Are there (enough people/ people enough) in this meeting?
3, (What/ How) does Mai’s brother look like?
4, Water (boils/ is boiling) at 100 degrees celsius.
5, Mrs. Trang, you look very (happy/ happily) today.

B5. : cho dạng đúng của động từ ở thì hiện tại đơn
She don't drink coffee. She drinks Coca cola.
It is often hot in the summer
What do you do  every evening?
the sun rises in the East.
I see her very often.
Most rivers flow into the sea.
Vegetarians don't eat meat. 
Bees make honey.
where Martin comes from?-He is  Scotland.

3 tháng 7 2016

B4 :
1, Nam’s new friend has (blond long/ long blond) hair.
2, Are there (enough people/ people enough) in this meeting?
3, (What/ How) does Mai’s brother look like?
4, Water (boils/ is boiling) at 100 degrees celsius.
5, Mrs. Trang, you look very (happy/ happily) today.

B5. :
She don't drink coffee. She drinks Coca cola.
It is often hot in the summer
What do you do  every evening?
the sun rises in the East.
see her very often.
Most rivers flow into the sea.
Vegetarians don't eat meat. 
Bees make honey.
where Martin comes from?-He is  Scotland.

 
6. Solar heat penetrates more deeply into water than _______. a. it is penetrating into the soil b. it does into the soil c. does it into soil d. that it does into soil 7. During the past two days, I _______ ten chapters. a. read b. have read c. was reading d. had read 8. Neither Peter nor his parents _______ going to spend the summer abroad. a. is ...
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6. Solar heat penetrates more deeply into water than _______.

a. it is penetrating into the soil b. it does into the soil

c. does it into soil d. that it does into soil

7. During the past two days, I _______ ten chapters.

a. read b. have read c. was reading d. had read

8. Neither Peter nor his parents _______ going to spend the summer abroad.

a. is b. are c. was d. has been

9. California, with the population of more than 23 million, is _______ populous state in the US.

a. as b. more c. most d. the most

10. I cannot help _______ anxious about the exam results.

a. to feel b. feel c. feeling d. felt

11. It is essential that every student _______ to learn English at university.

a. to have b. have c. has d. had

12. _______ hard I have ever work I do not get good salary.

a. If b. However c. Nevertheless d. Provided that

13. Peter sometimes helps me _______ my homework.

a. to do b. do c. with d. all are correct

14. Earthworms breathe through their skin _______ must be kept moist.

a. which b. for which c. who d. whom

15. Let's go out for a drink, _______.

a. shall we b. do we c. do us d. let us

III.

16. Some people consider mountain climbing is a dangerous _______. (act)

17. He felt _______ when he learnt that he had failed his exam again. (courage)

18. AIDS is one of the most dangerous _______ diseases of our time. (infect)

19. The engineer is doing his research with great _______ (please)

20. We appreciate the _______ of his writings. (excellent)

21. Astronauts can stand _______ when they are in outer space. (weigh)

22. A finished motion picture is the work of the _______ of many individuals. (collaborate)

23. Scientists and engineers have become key figures in our industrial _______. (social)

24. Advertising is one of the most _______ businesses. (compete)

25. UFO stands for Unidentified _______ Object. (fly)

2
15 tháng 8 2017

6. Solar heat penetrates more deeply into water than _______.

a. it is penetrating into the soil b. it does into the soil

c. does it into soil d. that it does into soil

7. During the past two days, I _______ ten chapters.

a. read b. have read c. was reading d. had read

8. Neither Peter nor his parents _______ going to spend the summer abroad.

a. is b. are c. was d. has been

9. California, with the population of more than 23 million, is _______ populous state in the US.

a. as b. more c. most d. the most

10. I cannot help _______ anxious about the exam results.

a. to feel b. feel c. feeling d. felt

11. It is essential that every student _______ to learn English at university.

a. to have b. have c. has d. had

12. _______ hard I have ever work I do not get good salary.

a. If b. However c. Nevertheless d. Provided that

13. Peter sometimes helps me _______ my homework.

a. to do b. do c. with d. all are correct

14. Earthworms breathe through their skin _______ must be kept moist.

a. which b. for which c. who d. whom

15. Let's go out for a drink, _______.

a. shall we b. do we c. do us d. let us

III.

16. Some people consider mountain climbing is a dangerous ___activity____. (act)

17. He felt ___discouraged____ when he learnt that he had failed his exam again. (courage)

18. AIDS is one of the most dangerous ___infectious____ diseases of our time. (infect)

19. The engineer is doing his research with great ____pleasure___ (please)

20. We appreciate the ___excellence____ of his writings. (excellent)

21. Astronauts can stand ____weightlessness___ when they are in outer space. (weigh)

22. A finished motion picture is the work of the ___collaboration____ of many individuals. (collaborate)

23. Scientists and engineers have become key figures in our industrial ___society____. (social)

24. Advertising is one of the most ___competitive____ businesses. (compete)

25. UFO stands for Unidentified ____flying___ Object. (fly)

15 tháng 8 2017

6. Solar heat penetrates more deeply into water than _______.

a. it is penetrating into the soil b. it does into the soil

c. does it into soil d. that it does into soil

7. During the past two days, I _______ ten chapters.

a. read b. have read c. was reading d. had read

8. Neither Peter nor his parents _______ going to spend the summer abroad.

a. is b. are c. was d. has been

9. California, with the population of more than 23 million, is _______ populous state in the US.

a. as b. more c. most d. the most

10. I cannot help _______ anxious about the exam results.

a. to feel b. feel c. feeling d. felt

11. It is essential that every student _______ to learn English at university.

a. to have b. have c. has d. had

12. _______ hard I have ever work I do not get good salary.

a. If b. However c. Nevertheless d. Provided that

13. Peter sometimes helps me _______ my homework.

a. to do b. do c. with d. all are correct

14. Earthworms breathe through their skin _______ must be kept moist.

a. which b. for which c. who d. whom

15. Let's go out for a drink, _______.

a. shall we b. do we c. do us d. let us

III.

16. Some people consider mountain climbing is a dangerous ___activity____. (act)

17. He felt ___discouraging____ when he learnt that he had failed his exam again. (courage)

18. AIDS is one of the most dangerous __infections_____ diseases of our time. (infect)

19. The engineer is doing his research with great ___pleasure____ (please)

20. We appreciate the __excellence_____ of his writings. (excellent)

21. Astronauts can stand ____weightlessness___ when they are in outer space. (weigh)

22. A finished motion picture is the work of the ___collabration____ of many individuals. (collaborate)

23. Scientists and engineers have become key figures in our industrial _society______. (social)

24. Advertising is one of the most ____com___ businesses. (compete)

25. UFO stands for Unidentified __flying_____ Object. (fly)