一、答案
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| D | C | C | A | C | B | C |
二、答案
1. had been built
2. be handed
3. be pulled
4. were planted
5. is cleaned
三、答案
1. is used for
2. dress up
3. at the start of
4. in; do as
5. Help yourself
四、答案
1. different
2. food
3. made
4. breaUast
5. from
6. looks
7. common
8. as
9. studying
10. meal