a) Mảnh Vườn HCN ACDG có các kích thước 50;30; . Tính DT HCN b) Ng ta trồng hoa trong phần đất HBH BCEG DT trồng hoa Biết BC bằng 40m c) Phần đất còn lại trồng rau . Tính DT trồng rau và số tiền mua hạt giống biết mỗi m2 cần 5 nghìn đồng Tiền giống

1. In all the world, there (be) __________ only 14 mountains that (reach) __________above 8,000 meters.

2. He sometimes (come) __________ to see his parents.

3. When I (come) __________, she (leave) __________for Dalat ten minutes ago.

4. My grandfather never (fly) __________ in an airplane, and he has no intention of ever doing so.

5. We just (decide) __________ that we (undertake) ____________ the job.

6. He told me that he (take) __________ a trip to California the following week.

7. I knew that this road (be) __________ too narrow.

8. Right now I (attend) __________ class. Yesterday at this time I (attend) __________class.

9. Tomorrow I'm going to leave for home. When I (arrive) __________at the airport, Mary (wait) __________ for me.

10. Margaret was born in 1950. By last year, she (live) __________on this earth for 55 years.

11. The traffic was very heavy. By the time I (get) __________to Mary's party, everyone already (arrive) __________

12. I will graduate in June. I (see) __________ you in July. By the time I (see) __________ you, I (graduate) __________.

13. I (visit) __________ my uncle's home regularly when I (be) __________ a child.

14. That book (be) __________ on the table for weeks. You (not read) __________ it yet?

15. David (wash) __________ his hands. He just (repair) __________ the TV set.

16. You (be) __________here before? Yes, I (spend) __________ my holidays here last year.

17. We never (meet) __________ him. We don't know what he (look) __________ like.

18. The car (be) __________ ready for him by the time he (come) __________tomorrow.

19. On arriving at home I (find) __________that she just (leave) __________a few minutes before.

20. When we (arrive) __________ in London tonight, it probably (rain) __________.

21. It (rain) __________ hard. We can't do anything until it (stop) __________

22. Last night we (watch) __________TV when the power (fail) __________.

23. That evening we (stay) __________up to talk about the town where he (live) __________for some years.

24. I (sit) __________down for a rest while the shoes (repair) __________.

25. Half way to the office Paul (turn) __________round and (go) __________back home because he (forget) __________to turn the gas off.

26. London (change) __________a lot since we first (come) __________ to live here.

27. While we (talk) __________on the phone the children (start) __________fighting and (break) __________a window

28. He used to talk to us for hours about all the interesting things he (do) __________ in his life.

29. You know she (stand) __________looking at that picture for the last twenty minutes.

30. I (spend) __________ a lot of time travelling since I (get) __________this new job.

31. When we (be) __________ at school we all (study) __________Latin.

32. When I (meet) __________ him, he (work) __________as a waiter for a year.

33. After he (finish) __________ breakfast he (sit) __________down to write some letters.

34. She (have) __________a hard life, but she's always smiling.

35. I think Jim (be) __________ out of town.

1. If I __________the same problem you had as a child, I might not have succeeded in life as well as you have.

A. have

B. would have

C. had had

D. should have

2. I __________you sooner had someone told me you were in the hospital.

A. would have visited

B. visited

C. had visited

D. visit

3. __________more help, I would call my neighbor.

A. needed

B. should I need

C. I have needed

D. I should need

4. __________then what I know yesterday, I would have saved myself a lot of time and trouble over the years.

A. had I known

B. did I know

C. If I know

D. If I would know

5. Do you think there would be less conflict in the world if all people __________the same language?

A. spoke

B. speak

C. had spoken

D. will speak

6. If you can give me one good reason for your acting like this, __________this incident again.

A. I will never mention

B. I never mention

C. will I never mention

D. I don't mention

7. If I had known you were asleep, I __________so much noise when I came in.

A. didn't make

B. wouldn't have made

C. won't make

D. don't make

8. Unless you __________all of my questions, I can't do anything to help you.

A. answered

B. answer

C. would answer

D. are answering

9. Had you told me that this was going to happen, I __________it.

A. would have never believed

B. don't believe

C. hadn't believed

D. can't believe

10. If Jake __________to go on the trip, would you have gone?

A. doesn't agree

B. didn't agree

C. hadn't agreed

D. wouldn't agree

11. J: "John went to the hospital alone"

K: "If __________, I would have gone with him".

A. had he told me

B. he had told me

C. he has told me

D. he would tell me

12. If you __________, I would have brought my friends over to your house yesterday to watch T.V, but I didn't want to bother you.

A. had studied

B. studied

C. hadn't studied

D. didn't study

13. Peter: "Did you need help with your Math last night?".

Mary: "If I had needed, I __________you".

A. would call

B. called

C. would have called

D. will call

14. If someone __________ in to the store, smile and say, "May I help you?"

A. comes

B. came

C. come

D. should come

15. "Here's my phone number".

"Thanks. I'll give you a call if I __________some help tomorrow"

A. will need

B. need

C. would need

D. needed

16. If I didn't work for an accounting firm, I __________in a bank now.

A. work

B. will work

C. have worked

D. would work

17. The death rate would decrease if hygienic conditions __________improved.

A. was

B. is

C. were

D. had been

18. The education in Japan __________if the basic principles of education had not been taken into consideration.

A. would go down

B. would have gone down

C. went down

D. had gone down

19. If there __________, the rice fields could have been more productive.

A. had been enough water

B. were enough water

C. would be enough water

D. are enough water

20. The patient will not recover unless he __________ an operation.

A. had undergone

B. would undergo

C. undergoes

D. was undergoing

21. If she __________ him, she would be very happy.

A. would meet

B. will meet

C. met

D. should meet

22. If he __________ a thorough knowledge of English, he could have applied for this post.

A. had had

B. had

C. has

D. has had

23. If I had enough money, I__________ abroad to improve my English.

A. will go

B. would go

C. went

D. should have go to

24. The bench would collapse if they __________on it.

A. stood

B. stand

C. standing

D. stands

25. If it __________convenient, let's go out for a drink tonight,

A. be

B. is

C. was

D. were