1. A 2. D 3. A 4. B 5. A 6. B 7. AorD
8. C. 9.d 10.c 11.c 12.c 13.b 14.a
15.c 16.a 17.a 18.c 19.b 20.b
II.
1.b 2.a 3.d 4.a 5.c 6.??? 7.c 8.b 9.a 10.a
III.
1. Although the sighn was in front of Huy, he didn't notice it
2. Bcz his father is too old, he's learning to run the family workshop
4. I'm looking forward to seeing my mother in Hanoi
5. Where should i go for holidays -she asked
6. I don't know what to do in order to lose weight
7. She said she was very tired
8. She told Ben to be careful
9. Sally is older than Bob
10. You spent much more money than me