一、答案
| 1 | 2 | 3 | 4 | 5 |
| D | C | C | C | A |
二、答案
1. couple
2. smiled
3. ohjects
4. married
5. bom
三、答案
1. before
2. but
3. so; that
4. unless
5. as soon as
6. unless
7. as soon as
8. Unless
四、答案
1. I still remember my first teacher although we haven't seen each other for many years.
2. Unless you've tasted it, you can't imagine how delicious the dishes are.
3. Don't meet an " Intemet friend" alone, or something dangerous may happen to you.
4. He was so tired that he could not go on walking.
5. I hate traveling hy air because I usually have to wait for hours before the plane takes off.（答案不唯一）
五、答案
(1) said
(2) better
(3) will he
(4) to level
(5) answer