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15 tháng 3 2021

Chọn câu đúng:

1. As the plane..., my kids held my hands tightly

A. took off      B. went on       C. set off       D. took up

2. My hobby is watching the work...by Shakespeare in the 20th century

A. writing       B. written        C. to write        D. is written

3. Voicing your...about examination on a live TV or radio discussion program is not as easy as it sounds

A. problem        B. opinion       C. hope        D. agreement

4. You'd better go home now before the rain starts

A. You should go home now before the rain starts

B. You would go home now before the rain starts

C.You mustn't go home now before the rain starts

D. You needn't go home now before the rain starts

5. You can go out with your friends. Make sure you come back home before midnight

A. You can't go out with your friends in case you come back home before midnight

B. You can't go out with your friends if you come back home before midnight

C. You can go out with your friends as long as you come back home before midnight

D. You can go out with your friends unless you come back home before midnight

Chọn trọng âm khác:

1. A. electric      B. poweful       C. commercial      D. decisive

2. A. pressure       B. college       C. household        D. career

15 tháng 3 2021

1 A

2 B

3 B

4 A

5 C

trọng âm 

1 B

2 B

23 tháng 9 2021

shouldn't

ought to

should

mustn't 

ought to

have to

must

mustn't

mustn't 

don't have to

Complete the sentences with the verbs in parentheses 1. he'll be late for the bus if he ( not start) at once 2. jim isn't at home right now. if he( be) at home, i (visit) him 4. fred failed the test because he didn't study. however, if he (study) for the test, he (pass) it 5. if i (know) that there was a test yesterday, i (study) 6. if you have enough time, please (paint) the chair before you leave 7. i (accept) if they invite me to the party 8. had we know your address, we ( write) you...
Đọc tiếp

Complete the sentences with the verbs in parentheses

1. he'll be late for the bus if he ( not start) at once
2. jim isn't at home right now. if he( be) at home, i (visit) him
4. fred failed the test because he didn't study. however, if he (study) for the test, he (pass) it
5. if i (know) that there was a test yesterday, i (study)
6. if you have enough time, please (paint) the chair before you leave
7. i (accept) if they invite me to the party
8. had we know your address, we ( write) you a letter
9. if you(do) as i told you, you ( succeed)
10. if you come here in spring, you ( have) a chance to go to the village fair
11. i could understad the frech teacher if she ( speak) more slowly
12. we could go for a drive if today (be) sunday
13. if your mother ( buy) that motorcycle for you, will you be happy?
14. if i (see) the movie last night, i (tell) you about it
15. i will ring the bell once more. if he doesn't answer, i think he ( must go) out
16. if i make a prmise, i (keep) it
17. he described the accident as if he ( see) it himself
18. we're going to play tennis this afternoon if it (stop) raining
19. if i had asked you,you ( accept)?
20. if he (come) , please ( tell) me
21. you were late last night. if you (arrive) ten minutes earlier you (get) a seat
22. if i (realize) thatthe traffic light were red. i(stop)

23. She won’t open the door unless she (know) who it is.

24.I (not lend) him the money if you (tell) me that he never paid his debts

25.If I (can) speak two languages last year, i (get) a good job

26.If there (be) no sunshine, we all (die) soon

27. You shouldn't believe it if you (not see) it with you own eyes

28. I (not do) that if I (be) you

1
6 tháng 8 2017

Complete the sentences with the verbs in parentheses

1. he'll be late for the bus if he ( not start) doesn't start at once
2. jim isn't at home right now. if he( be) were at home, i (visit) would visit him
4. fred failed the test because he didn't study. however, if he (study) had studied for the test, he (pass) would have passed it
5. if i (know) had known that there was a test yesterday, i (study) would have studied
6. if you have enough time, please (paint) paint the chair before you leave
7. i (accept) will accept if they invite me to the party
8. had we know your address, we ( write) would have written you a letter
9. if you(do) had done as i told you, you ( succeed) would have succeeded
10. if you come here in spring, you ( have) will have a chance to go to the village fair
11. i could understad the frech teacher if she ( speak) spoke more slowly
12. we could go for a drive if today (be) were sunday
13. if your mother ( buy) buys that motorcycle for you, will you be happy?
14. if i (see) had seen the movie last night, i (tell) would have told you about it
15. i will ring the bell once more. if he doesn't answer, i think he ( must go) must have gone out
16. if i make a prmise, i (keep) will keep it
17. he described the accident as if he ( see) had seen it himself
18. we're going to play tennis this afternoon if it (stop) stops raining
19. if i had asked you, would you (accept) have accepted?
20. if he (come) comes, please ( tell) tell me
21. you were late last night. if you (arrive) had arrived ten minutes earlier you (get) would have got a seat
22. if i (realize) had realized that the traffic light were red. i(stop) would have stopped

23. She won’t open the door unless she (know) knows who it is.

24.I (not lend) wouldn't have lent him the money if you (tell) told me that he never paid his debts

25.If I (can) could speak two languages last year, i (get) would have got a good job

26.If there (be) were no sunshine, we would all (die) die soon

27. You shouldn't believe it if you (not see) ​didn't see it with you own eyes

28. I (not do) wouldn't do that if I (be) were you

4 tháng 11 2018

The little boy said '' I won't do it again ''

=>the little boy said that he wouldn't do it again

The personel manager said '' what about emloying more staff ?''

=>The personal manager asked what about employing more staff

My friend said to me ''would you like to go to the market with me ?''

=>my fiend asked me would i liked to go to the market with her

My parents said '' why don't we drive go out forr a drive?''

=>My parents asked me why i didn't drive go out for a driver

Nam said ''sure, I'll come back soon ''

=>NAm said that sure,he would come back soon

E. Complete each paragraph using the correct form of one of the following verbs. There may be more than one possible answer. not submit - welcome - finalise - distribute - hold 1. "The programme of events for this year's student induction week (1) has been finalised The principal (2) ....................... the new students at 12 o'clock on Monday 5th September in the main hall. Individual departments (3) ..................... meetings that afternoon, so booklists can be handed out....
Đọc tiếp
E. Complete each paragraph using the correct form of one of the following verbs. There may be more than one possible answer. not submit - welcome - finalise - distribute - hold 1. "The programme of events for this year's student induction week (1) has been finalised The principal (2) ....................... the new students at 12 o'clock on Monday 5th September in the main hall. Individual departments (3) ..................... meetings that afternoon, so booklists can be handed out. By the end of the day, tutors (4) ....................... the lists to all new students. Second-year students who (5) ....................... their course request forms must do so by Wednesday 7th September at the latest. wait - recognise - get - take - arrange - drive 2. "I've got to go to the doctor's the afternoon you arrive. I hope you don't mind, but 1 (1)........................ for someone to come and pick you up. When you (2)........................... to the airport, go straight to the information desk, where Tina (3).......................... with a sign with your name on it, so you (4)....................... her right away. She (5)....................... you to my house. 1 (6)........................... a few days off work so we can do some sightseeing together. Can't wait to see you! appeal - measure - not need - realise - consider - buy - grow - keep 3. “So, you (1)........................ getting a pet. Hamsters and canaries are so old-fashioned. The local pet shop has snakes and lizards, and the idea of an iguana in your bedroom really (2)....................... to you. But before you (3)............................ one on impulse, there are a few things you should know. A baby iguana (4)......................... a lot of space at first, but it (5)...................... very quickly. An adult male (6)......................... up to six feet long. Where (7)........................... a creature of that size? And (8)............................. that it will probably live for up to 20 years? '
1
23 tháng 8 2020

Part 1:
1. welcomes
2. will hold,
3. will distribute
4. haven't submitted
Part 2:
1. arrange
2. get
3. will be waiting
4. will recognize
5. will drive
6. have taken
Part 3:
1. are considering
2. appeals
3. buy
4. doesn't need
5. grows
6. measures
7. to keep
8. realizing

CHOOSE THE WORD OR PHRASE ABC OR D THAT BEST COMPLETES THE SENTENCE 1. the aim of the culture festival is ___ friendship beween the two countries a, promote b. promoting c. to promote d, being promoted 2. how can you let such a silly incident ____ your friendship a. wreck b, to wreck c, wrecking d. that wrecks 3. i think your mother should let you ___ your own mind a. make up b. to make up c. making up d. made up 4. do you know what made so many people ___ their home > a. evacuate b. to...
Đọc tiếp

CHOOSE THE WORD OR PHRASE ABC OR D THAT BEST COMPLETES THE SENTENCE
1. the aim of the culture festival is ___ friendship beween the two countries
a, promote b. promoting c. to promote d, being promoted
2. how can you let such a silly incident ____ your friendship
a. wreck b, to wreck c, wrecking d. that wrecks
3. i think your mother should let you ___ your own mind
a. make up b. to make up c. making up d. made up
4. do you know what made so many people ___ their home >
a. evacuate b. to evacuate c. evacuated d. be evacuated
5. it has become necessary ___ water in the metropolitan area because of the severe drought
a. rationing b. ration c. to ration d. to have rationed
6. ______ good ice cream, you need to use alot of cream
a. make b. making c. to make d. for make
7. i got my friend ___ her car for the weekend
a. to let me to borrow b. to let me borrow
c. let me borrow d. let me to borrow
8, he finds it ___ lasting friendships
a. difficuld to make b. difficulty in making c. is difficult to make d. difficult making
9. they ___ god friends but they've fallen out recently
a. used to be b. would be c. were d. are
10. how about going to the theater? ok but i would reather ___ a concert
a. attend b. to attend c, attending d. have attended
11. jim doesn't speak very clearly____
a. its difficult to understand him
b. its difficult for understanding him
c, he's difficult in understand him
d. its difficult to understand
12. last night we saw a meteor __ through the sky
a. streaked b. to streak c. streak d. to have streaked
13. the skiers would reather ___ through the mountains than go by bus
a. to travel on train b. traveled by train c. travel by train d. traveling by the train
14. ___bread, you usually need flour salt and yeast
a. make b. to make c. making d. for make
15. i was delighted ___ my old friend again
a. to see b. seeing c. seen d. to be seen
16. i'd rather __ to Elvis than the Beatles
a. listen b. to listen c. listening d. listened
17. of we leave now for our trip, we can drive half the distance before we stop ___ lunch
a. having b. to have c. having had d. for having
18. its possible ___ a train across Canada
a. take b. to take c. taking d. to be taken
19. before we leve, let's have Shelley ___ a map for us so we won't get lost
a. draw b. to draw c. drawing d. drawn

I DENTIFY THE ONE UNDERLINED WORD OR PHRASE ABC OR D THAT MUST BE CHANGED FOR THE SENTENCE TO BE CORRECT
1. simon (finds) (it hard) (for making) friends (with) other children
2. whatever (happened) i (didn't want) (to lose) friendship (of) Vera
3. (during) a curfew it is not possible (walking) (on) the streets after (a specifield) hour
4. clay (that) (has been) heated or fried in a kiln cannot (to be) (softened) again
5. as they (grow older) children in many cultures (were taught) (not to rely) (on their parents)
6. the basic (aims of )science and magic are very (similar) (to understand) and (to control) nature

WRITING
1. they arrived home late
-he saw
2. she didn't want to stay there for the weekend
-they made her
3. contacting her at work is quite easy
- she is quite easy
4. can you sign the papers please? they are ready now
- the papers are
5. dont lend Tom any money. that would be most unwise
- you would be
6. mr. pinchley doesn't allow his teenage children to go out in the evenings
- mr pinchley makes
7, harry couldn't get his parents permission to boy a motorboke
-harry's parents didn't
8, my sister asks me to iron some clothes for her
.- my sister has

3
27 tháng 8 2018

1. the aim of the culture festival is ___ friendship beween the two countries
a, promote b. promoting c. to promote d, being promoted
2. how can you let such a silly incident ____ your friendship
a. wreck b, to wreck c, wrecking d. that wrecks
3. i think your mother should let you ___ your own mind
a. make up b. to make up c. making up d. made up
4. do you know what made so many people ___ their home >
a. evacuate b. to evacuate c. evacuated d. be evacuated
5. it has become necessary ___ water in the metropolitan area because of the severe drought
a. rationing b. ration c. to ration d. to have rationed
6. ______ good ice cream, you need to use alot of cream
a. make b. making c. to make d. for make
7. i got my friend ___ her car for the weekend
a. to let me to borrow b. to let me borrow
c. let me borrow d. let me to borrow
8, he finds it ___ lasting friendships
a. difficult to make b. difficulty in making c. is difficult to make d. difficult making
9. they ___ good friends but they've fallen out recently
a. used to be b. would be c. were d. are
10. how about going to the theater? ok but i would reather ___ a concert
a. attend b. to attend c, attending d. have attended
11. jim doesn't speak very clearly____
a. its difficult to understand him
b. its difficult for understanding him
c, he's difficult in understand him
d. its difficult to understand
12. last night we saw a meteor __ through the sky
a. streaked b. to streak c. streak d. to have streaked
13. the skiers would reather ___ through the mountains than go by bus
a. to travel on train b. traveled by train c. travel by train d. traveling by the train
14. ___bread, you usually need flour salt and yeast
a. make b. to make c. making d. for make
15. i was delighted ___ my old friend again
a. to see b. seeing c. seen d. to be seen
16. i'd rather __ to Elvis than the Beatles
a. listen b. to listen c. listening d. listened
17. of we leave now for our trip, we can drive half the distance before we stop ___ lunch
a. having b. to have c. having had d. for having
18. it's possible ___ a train across Canada
a. take b. to take c. taking d. to be taken
19. before we leve, let's have Shelley ___ a map for us so we won't get lost
a. draw b. to draw c. drawing d. drawn

27 tháng 8 2018

I DENTIFY THE ONE UNDERLINED WORD OR PHRASE ABC OR D THAT MUST BE CHANGED FOR THE SENTENCE TO BE CORRECT
1. Simon (finds) (it hard) (for making) friends (with) other children

=>Simon finds it hard to make friends with other children.
2. whatever (happened) i (didn't want) (to lose) friendship (of) Vera

=>Whatever happened, I don't want to lose friendship with Vera.
3. (during) a curfew it is not possible (walking) (on) the streets after (a specifield) hour

=>During a curfew it is not possible to walk on the streets after a specified hour
4. clay (that) (has been) heated or fried in a kiln cannot (to be) (softened) again

=>Clay that has been heated or tired in a kiln cannot be softened again.
5. as they (grow older) children in many cultures (were taught) (not to rely) (on their parents)

=>as they grow older, children in many cultures are taught not to rely on their parents
6. the basic (aims of )science and magic are very (similar) (to understand) and (to control) nature

=> the basic aims of science and magic are very similar- to understand and control nature.

WRITING
1. they arrived home late
-1. He saw they arriving home late.
2. she didn't want to stay there for the weekend
-they made her stay there for the weekend.
3. contacting her at work is quite easy
- she is quite easy to contact at work.
4. can you sign the papers please? they are ready now
- the papers are ready for you to sign.
5. dont lend Tom any money. that would be most unwise
- you would be unwise to lend Tom any money.
6. mr. pinchley doesn't allow his teenage children to go out in the evenings
- mr pinchley makes his teenage children stay home in the evenings.
7, harry couldn't get his parents permission to boy a motorboke
-harry's parents didn't buy him a motorbike.

1: Mr. Brown is very rich . He ...... work hard for a living A. mustn't B. shouldn't C. can't D. dosen't have to 2: Tom has just got a new jod . He ....... be very pleased A. might B. must C. should D. will 3: Tom planted his room black . It looks dark and dreary . He ........ have chosen another color A. should B. must C. could D. may 4: ....... you carry this bag for me ? A. may B. should C . will D. shall 5:You ......... throw litter on the stressts A. mustn't B. couldn't C....
Đọc tiếp

1: Mr. Brown is very rich . He ...... work hard for a living

A. mustn't B. shouldn't C. can't D. dosen't have to

2: Tom has just got a new jod . He ....... be very pleased

A. might B. must C. should D. will

3: Tom planted his room black . It looks dark and dreary . He ........ have chosen another color

A. should B. must C. could D. may

4: ....... you carry this bag for me ?

A. may B. should C . will D. shall

5:You ......... throw litter on the stressts

A. mustn't B. couldn't C. needn't D. won't

6 : My mother permitted me to go out at night . She said , " you ....... go out tonight "

A . may B. have to C. must D. ought to

7: It is possible that she will come to out party tonight . She ...... come tonight

A. need B. may C. should D . will

8: They can type . They ........ type

a. lean how to B. are able to C. know how to D. both B & C

9: He advised me to take an English course . I .................. take it early

A. should B. shall C. will D. may

10: I'd rather .......... in the field than ............ home

A: to work / to stay B. work / stay C . woring / staying D. worked / stayed

11: As an orphan , he .......... earn his living alone

A . have to B. has had to C. ought to D. had to

2
6 tháng 10 2017

1: Mr. Brown is very rich . He ...... work hard for a living

A. mustn't B. shouldn't C. can't D. dosen't have to

2: Tom has just got a new jod . He ....... be very pleased

A. might B. must C. should D. will

3: Tom planted his room black . It looks dark and dreary . He ........ have chosen another color

A. should B. must C. could D. may

4: ....... you carry this bag for me ?

A. may B. should C . will D. shall

5:You ......... throw litter on the stressts

A. mustn't B. couldn't C. needn't D. won't

6 : My mother permitted me to go out at night . She said , " you ....... go out tonight "

A . may B. have to C.must D. ought to

7: It is possible that she will come to out party tonight . She ...... come tonight

A. need B. may C. should D . will

8: They can type . They ........ type

a. lean how to B. are able to C. know how to D. both B & C

9: He advised me to take an English course . I .................. take it early

A. should B. shall C. will D. may

10: I'd rather .......... in the field than ............ home

A: to work / to stay B. work / stay C . woring / staying D. worked / stayed

11: As an orphan , he .......... earn his living alone

A . have to B. has had to C. ought to D. had to

6 tháng 10 2017

1: Mr. Brown is very rich . He ...... work hard for a living

A. mustn't B. shouldn't C. can't D. dosen't have to

2: Tom has just got a new jod . He ....... be very pleased

A. might B. must C. should D. will

3: Tom planted his room black . It looks dark and dreary . He ........ have chosen another color

A. should B. must C. could D. may

4: ....... you carry this bag for me ?

A. may B. should C . will D. shall

5:You ......... throw litter on the stressts

A. mustn't B. couldn't C. needn't D. won't

6 : My mother permitted me to go out at night . She said , " you ....... go out tonight "

A . may B. have to C. must D. ought to

7: It is possible that she will come to out party tonight . She ...... come tonight

A. need B. may C. should D . will

8: They can type . They ........ type

a. lean how to B. are able to C. know how to D. both B & C

9: He advised me to take an English course . I .................. take it early

A. should B. shall C. will D. may

10: I'd rather .......... in the field than ............ home

A: to work / to stay B. work / stay C . woring / staying D. worked / stayed

11: As an orphan , he .......... earn his living alone

A . have to B. has had to C. ought to D. had to

Tìm lỗi sai và sửa lại.. 21,Of my opinion, this book is much better than that one. 22. He should ever call again, please tell him that I am not at home. 23. If you were here yesterday, you would have seen Jean. 24. Unless we work harder, we will finish it on time. 25. You should visit that part of the country when it will be spring. 26. The children wish that they have more free time to play football. 27. John decided buying a new car in the morning, but in the afternoon he...
Đọc tiếp

Tìm lỗi sai và sửa lại..

21,Of my opinion, this book is much better than that one. 22. He should ever call again, please tell him that I am not at home. 23. If you were here yesterday, you would have seen Jean. 24. Unless we work harder, we will finish it on time. 25. You should visit that part of the country when it will be spring. 26. The children wish that they have more free time to play football. 27. John decided buying a new car in the morning, but in the afternoon he changed his mind. 28. He warned us to be careful of strangers and not go out at night., 29. We were advised not drinking the water in the bottle. toolina 30. The teacher told us to keep quietly during the lesson. 31. You'd not better swim too far from the shore. 32. She said that if it does not rain tomorrow, she would go out with you. 33. After driving for twenty miles, he suddenly realized that he has been driving in the wrong direction.

GIÚP MK VS THANK NHÌU 🥰🥰🥰

1
26 tháng 7 2020

21. Of => in

22. He should => should he

23. Were => had been

24. Unless => if

25. Will be => is

26. Have => had

27. Buying => to buy

28. Not => not to

29. Drinking => drink

30. Quietly => quiet

31. Not => X

32. Would => will

33. Has => had

TENSES:Supply the correct werb tenses 1.we seldom (eat)........before 6:30 2.my mother sometimes(buy).............vegetable at this market 3.the earth(circle)..........the sun once every 365 days 4.he had taught in this school before he(leave)...............england 5.the sun (set)........in the west 6.rivers usually(flow)...........to the sea 7.our teacher(tell).......us yesterday that he(visit)......england in 1970 8.I expect I........(have) children in a few years 9.the teacher hopes...
Đọc tiếp

TENSES:Supply the correct werb tenses

1.we seldom (eat)........before 6:30

2.my mother sometimes(buy).............vegetable at this market

3.the earth(circle)..........the sun once every 365 days

4.he had taught in this school before he(leave)...............england

5.the sun (set)........in the west

6.rivers usually(flow)...........to the sea

7.our teacher(tell).......us yesterday that he(visit)......england in 1970

8.I expect I........(have) children in a few years

9.the teacher hopes we(pass).......our exams

10.she(be).........twenty years old on next birthday

11.water(boil)......at 100 degrees celsius

12.lan(study)................four lessons this morning

13.thao is very clever she(speak)........four languages

14.last year Mr.jones(teach)..............us both english and mathematics

15."where do you live?""normally I...........in paris with my parents but at the moment I.........in london so I.......with an english family (live,study,live)

16. he usually.........very hard but he .......at all today because it's a holiday (work,not work)

17.look! that man..............out of the bank! and he........a large bag full of money! (run,carry)

18.I(study).........english for three years

19.up to the present we(write)..........almost every lesson in the look

20.I(not see).......him since last monday

21.geogre(work).......at the university so far

22.my father(not smoke).........for 5 years

23.you(receive)..........any letter from your parents yet?

24.jim sends his love I(just,see)........him in the high street

25.monica says she(alrealy,catch)......the train so she'll be here in half an hour

26.while diana(watch)..........her favourite TV progamme,there(be)..........a power cut

27.who(drive)....the car at the time of the accident?

28.by the time sheila(get)......back, chris(go)...........home

29.I(do)..........some shopping yesterday when I(see)......your friend

30.what you (do)...........when I(come)...........to your office yesterday?

31.who(live).......in that house before the smiths(buy)......it

32.when the police(arrive)............the robbers had gone

33.when I arrived the students(already,go).........in to class

34.miss davis(type).................letters after manager(come)........back

35.my roommate had finished dinner by the time I(get)........home

36.they(go)..............home after they(finish)......their work

37.after they(go)...........I(sit)......down and (rest)........

38.before she(watch).....TV she(do)........her homework

39.when she.....(be)a child she always............(want) to do the most dangerous things

40.I suddenly................(recognize) the town square I...........(be) there ten year before

2
19 tháng 8 2018

TENSES:Supply the correct werb tenses

1.we seldom (eat)...eat.....before 6:30

2.my mother sometimes(buy).....buys........vegetable at this market

3.the earth(circle)...circles .......the sun once every 365 days

4.he had taught in this school before he(leave)......left.........england

5.the sun (set)....sets....in the west

6.rivers usually(flow)....flow.......to the sea

7.our teacher(tell).told......us yesterday that he(visit)..visited ....england in 1970

8.I expect I....had....(have) children in a few years

9.the teacher hopes we(pass)...will pass....our exams

10.she(be)....will be .....twenty years old on next birthday

11.water(boil)...boils...at 100 degrees celsius

12.lan(study)......studied ..........four lessons this morning

13.thao is very clever she(speak)...speaks.....four languages

14.last year Mr.jones(teach)....taught ..........us both english and mathematics

15."where do you live?""normally I....live.......in paris with my parents but at the moment I....am studying .....in london so I....am living ...with an english family (live,study,live)

16. he usually.....works....very hard but he ..isn't working .....at all today because it's a holiday (work,not work)

17.look! that man.....is running .........out of the bank! and he..is carrying ......a large bag full of money! (run,carry)

18.I(study)...have studied ......english for three years

19.up to the present we(write)...are writing .......almost every lesson in the look

20.I(not see)..haven't seen.....him since last monday

19 tháng 8 2018

21.geogre(work)....has worked ...at the university so far

22.my father(not smoke)...hasn't smoked......for 5 years

23.Have you(receive)....received ......any letter from your parents yet?

24.jim sends his love I(just,see)....have just seen ....him in the high street

25.monica says she(alrealy,catch)...has alrealy caught ...the train so she'll be here in half an hour

26.while diana(watch).....is watching .....her favourite TV progamme,there(be)....is ......a power cut

27.who(drive)...was driving .the car at the time of the accident?

28.by the time sheila(get)..is getting ....back, chris(go).......is going ....home

29.I(do)....did ......some shopping yesterday when I(see)...saw ...your friend

30.what were you (do)....doing .......when I(come)......came .....to your office yesterday?

31.who(live)....has lived ...in that house before the smiths(buy)...bought ...it

32.when the police(arrive)......arrived ......the robbers had gone

33.when I arrived the students(already,go)......have already gone ...in to class

34.miss davis(type).........typed ........letters after manager(come)...came .....back

35.my roommate had finished dinner by the time I(get)...was getting .....home

36.they(go).......went .......home after they(finish)....finished ..their work

37.after they(go).....went ......I(sit)....sat ..down and (rest)....rested ....

38.before she(watch)..has watched ...TV she(do)..did ......her homework

39.when she....was .(be)a child she always.......wanted .....(want) to do the most dangerous things

40.I suddenly.........recognized .......(recognize) the town square I....have been .......(be) there ten year before