A.
1. A
2. C
3. C
B.
I
1. Haven't finished
2. was spending
3. watching
4. was surfing
5. were
II
1. imaginative
2. compulsory
3. officially
4. environmentalists
5. overweight
III
1. B
2. B
3. D
4. B
5. B
6. A
7. D
8. C
9. A
10. A
D
I
1. That old house has just been sold
2. He has difficulty using chopsticks
3. A new mall will be built here
4. If he doesn't take these pills, he won't be better
5. She suggested that I took a day off the following day.
II
1. The girl who lived next door to us is very friendly
2. Minh spends 2 hours doing his homework everyday.
3. We were late for school because it rains heavily
4. We were made cleaning the house by my mother