17 C

18 B

19 D

20 B

21 A

23 B

24 A

25 B

26 B

27 B

28 B

29 C

30 B

31 A

32 B

33 D

34 A

35 A

41 B

42 C

43 D

44 A

45 A

6 C

7 D

8 C

9 B

1 characteristics

b) characteristically

2 description

b) discribed

3 activities

b) actively

4 appearance

b) disappeared

1 has been working

2 has had

3 has been surfing

4 have had

5 has been lifting

6 has been waiting

7 has passed

8 hasn't eaten

9 has won

10 has finished

II

1 have had

2 worked

3 has scored

4 Did you lock - went

5 has left

6 has changed - moved

7 have never met

III

1 moved

2 have known

3 haven't failed

4 broke

5 went

6 Have you finished

7 started

8 haven't gone

IV

1 had - has had

2 has broken - broke

3 has played - played

đáng tuyên dương 

Exercise 1: Chọn dạng đúng của động từ trong ngoặc

1. The trousers you bought for me (doesn't/ don't) fit me.

2. Physics (was/ were) my best subject at school.

3. Fortunately the news (wasn't/ weren't) as bad as we had expected.

4. The police (wants/ want) to interview Fred about a robbery.

5. Three days (isn't/ aren't) long enough for a good holiday.

6. Where (does/ do) your family live?

7. England (have/ has) lost all their football matches this season.

8. (Does/ Do) the police know about the stolen money?

9. Can I borrow your scissors? Mine (isn't/ aren't) sharp enough,

10. I'm going to take a taxi. Six miles (is/ are) too far for me to walk.

11. John, along with twenty friends, (is/ are) planning a party.

12. The picture of the soldiers (bring/ brings) back a lot of memories.

13. If the duties of these officers (isn't/ aren't) reduced, there will not be enough time to finish the project.

14. Advertisements on television (is/ are) becoming more competitive than ever before.

15. Living expenses in this country, as well as in many others, (is/are) at an all-time high.

16. Mr. Jones, accompanied by several members of the committee, (have/ has) proposed some changes of the rules.

17. The levels of intoxication (vary/ varies) from subject to subject.

18. Neither Bill nor Mary (is/ are) going to the play tonight.

19. Anything (is/ are) better than going to another movie tonight.

20. Skating (is/ are) becoming more popular every day.

Exercise 3: Trong mỗi câu sau có một lỗi sai, tìm và sửa lại cho đúng.

1. Geography are=> is fascinating.

2. Where is => are my gloves?

3. Each ticket costed => cost $5.

4. The boy with his dog are => is here.

5. John or Tom are => is bringing the car.

6. His hair are => isturning gray.

7. Are => is there anybody at home?

8. Neither praise nor blame seem => seems to affect him.

9. Three fourths of his fortune were => was devoted to scientific research.

10. Two-thirds of these books is => are novels.

11. There are => is a car and two vans in front of my house.

12. Why is => are the police standing there?

13.       So far everything is => has been all right

14. More men than women is => are left-handed.

15. Fifty minutes are => is the maximum length of time allotted for the exam.

16. None of my classmates speaks => speak Arabic.

17. Every student are => is tested twice a year.

18. Each of the items in the bill are=> is correct.

19.10 years in prison were => is too long for him.

20. None of the children were => was awake.

Exercise 2: Chia dạng đúng của động từ trong ngoặc

1. A number of reporters (be)were at the conference yesterday.

2. Anybody who (have)has a fever must go home immediately.

3. Your glasses (be)were on the bureau last night.

4. There (be) were some people at the meeting last night.

5. The committee has already [reach)reached a decision.

6. A pair of jeans (be)was  in the washing machine this morning.

7. Each student (answer)answers the first three questions.

8. Either John or his wife (make)makes breakfast every morning.

9. After she had perused the material, the secretary thought that everything (be)was in order.

10. The crowd at the basketball game (be)werewild with excitement.

11. A pack of wild dogs (frighten)frightened all the ducks away.

12. The jury (be)weretrying to reach a decision.

13. The army (have) have eliminated this section of the training test.

14. The number of students who have withdrawn from class this quarter (be)was appalling.

15. There (have)have been too many interruptions in this class.

16. Every elementary school teacher (have)has to take this examination.

17. Neither Jill nor her parents (see)have seen this movie before.

18. There (be)are no girls in this class.

19. There (be)is no key for this door.

20. 80% of the students (have)have voted.