(Pic1)

18. A (neither N1 nor N2, thì động từ chia theo Danh từ thứ hai)

19. C (Đảo ngữ với not until, Not until + Chủ ngữ 1 + Động từ 1 + Trợ động từ + Chủ ngữ 2 + Động từ 2)

20. D (Thì hiện tại hoàn thành, có dấu hiệu nhận biết là "until now" = up to now")

WRITING

1. The last time we were to a concert was over a year.

2. I have not really enjoyed myself since your birthday party.

3. My father hasn't seen his brother for nearly 20 years.

4. James has been to Scotland since Friday.

5. How long it is since you started learning to drive?

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

7. It's week since the last time you tidied this room.

8. We have been looking for a flat for 2 months.

9. This is the first time I have been to a night club.

10. Since Mary heard the results, she has felt more confident.

II.

1. He has not visited Ha Long Bay before.

2. She has been working here for a year.

3. We have eaten (have been eating) lunch since it started to rain.

4. I haven't had my hair cut since she left me.

5. He hasn't met me for five months.

6. We haven't met for a long time.

7. How long have tou had this computer?

8. I haven't had such a delicious meal before.

9. The last time I went to work was a month ago.

10. It is 5 days since I last talked to him.