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8. I (do) my homework at this time yesterday.

7. I'm sorry I (keep) you waiting for such a long time.

6. Jimmy (read) a science book when I went to see him.

5. My sister (be) a nurse for over five years.

4. If every family in China has only one child,life (turn) better.

3. What action can we take (improve) the present situation?

2. Mum often stops me (eat) unhealthy food like hamburgers and snacks.

二、動(dòng)詞填空。(20分)

1. When your parents (get) married?

10. It,s not good to (傾倒) the waste into the river.

9. I've always been in this city (自從) I was born.