Câu Đáp án Câu Đáp án Câu Đáp án
1 D 11 A 21 B
2 B 12 C 22 C
3 A 13 D 23 C
4 C 14 A 24 D
5 D 15 B 25 T
6 B 16 D 26 F
7 A 17 A 27 T
8 D 18 B 28 F
9 B 19 electricity
10 C 20 widen

29. No, it won’t.

30. If a tap drips, it wastes three or more litters of water a day.

31. It took us an hour to travel to the camping site last Sunday.

32. In spite of his old age, my grandfather has a strong desire to learn and explore the world.

33. It’s a pity. I can’t swim well.

→ I wish I could swim well.

34. I am working in an Institute of Foreign Languages in Ho Chi Minh City’, said Mr John.

→ Mr. John said that he was working in an Institute of Foreign Languages in Ho Chi Minh City.

35. In the last 50 years, scientists have developed a lot of new vaccines.

→ In the last 50 years, a lot of new vaccines have been developed by scientists.

36. Susan will make so many mistakes if she doesn’t take more time over her work.

→ Unless Susan takes more time over her work, she will make so many mistakes.