=>
II/
6. D which -> đtqh chỉ vật
7. A câu hỏi đuôi
8. B would you mind Ving
9. D That's a good idea.
10. C may be
11. A as = because
12. A dân số
13. B toàn quốc
14. D phân biệt
15. C laugh at
III/
16. B -> x
17. D -> to spending
18. A -> will be healthy
19. C -> turn off
20. C -> x