Môn học
Chủ đề / Chương
Bài học
I,...
1. C
2. D
3. D
4. D
5. A
6. C
7. B
8. C
9. B
10. C
11. B
12. A
13. D
14. A
15. B
16. D
17. D
18. B
19. B
20. D
II,...
1. I think you had better give up smoking immediately.
2. I expect should we get there by 5:00, if there isn’t too much traffic.
6. It is very convenient if you are not able to drive.