一、答案
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| D | B | B | D | B | C | C | D |
二、答案
1、 had taught
2. hadn't found
3. had drunk
4. hadn't seen
5. had finished
二、答案
1、 is afraid of answering
2. be stopped; polluting the envi-ronment
3. worth reading
4. 60 percent; don't want
四、答案
1、or
2、something
3、 mad
4、 refused
5、 with
6、accident
7、 still
8、 hate
9、 stays
10、 movies