一、答案
| 1 | 2 | 3 | 4 | 5 |
| C | A | A | B | B |
二、答案
1. really
2. memories
3. happiness
4. careful
5. worried
三、答案
1. I invited him to have dinner with me yesterday.
2. You should give up smoking now.
3. not only clever but also hard-working
4. to laugh at
5. tried his best
四、答案
1. brain
2. heads
3. ear
4. for
5. remember
6. students
7. school
8. check/correct
9. copy
10. possible