câu này đúng nha bạn. 

cấu trúc: Henry's friend = a friend of Henry's (mình lấy theo câu hỏi luôn).

16. I last saw him 2 months ago.

17. The last time I went to a concert was over a year.

18. I haven't really enjoyed myself since your birthday party.

19. My father hasn't seen my brother for 20 years.

20. How long is it since you learnt to drive?

21. I haven't gone swimming since we were in Spain.

22. It's week since you tidied this room.

23. We have looked for a flat for 2 months and we are still looking.

24. I haven't been to a night club before.

1. does - do - works - does - travel - goes - does - work - works - does - teach - teaches.

2. does - plant - doesn't - doesn't - plants.

3. does - have - doesn't - has.

4. doesn't get up - goes.

5. doesn't have - eat - drink.

6. does - want - wants.

7. doesn't like staying - go - play.

8. does - go - doesn't - stays - does.

9. do - go - go - do - wear - wear.

10. does - do - plays - listens - plays. 

1. like - likes

2. doesn't have - takes - plays

3. doesn't like listening - has - likes watching

4. doesn't go - goes - visits

5. doesn't stay - flies

6. love - tastes

7. doesn't raise - raises

8. has - plants - doesn't like

9. don't have

10. doesn't like - like playing

1. working

2.  visiting

3. make 

4. helping

5. breaking

6. doing

7. play

8. to watch

9. socialising

10. surfing

11. seeing

12. lending

13. reading ; watching

14. reading ; was

15. drinking

16. get up

17. eating

18. going

19. listening

20. drinking

21. to buy

22. turning

23. working

24. waiting

25. staying 

ừm nhưng mà cho mình hỏi các từ ở bài 1 là gì vậy?

1. C

2. D

3. C

4. C

5. A

6. B

7. A

8. D

9. B

10. C

1. D

2. D

3. C

4. B 

5. D

6. B

7. B

8. B

9. C

10. B

11. D

12. B

13. C

14. C

15. A

16. C

17. A

18. B

19. B

20. B

2. was eating

3. was answering

4. was singing

5. was walking

6. were climbing

7. was beginning.

8. was counting

9. was melting

10. was looking ; was driving

1. go

2. is drinking

3. sing

4. are talking

5. plant

6. isn't studying

7. plays

8. do

9. are

10. runs

11. meet

12. goes jogging

13. went

14. went

15. took

16. played

17. went

18. walked

19. watched

20. weren't

21. has been

22. has worked

23. has taken

24. has played

25. hasn't went

26. has walked

27. has watched

28. have been

29. have you been

30. have lived