根据首字母或汉语提示，在下列各句中填入一个适当的单词，使句子完整。

1. If you work hard, you will s         .

2. In Module3, our task is organizing a d           about life in the past.

3. N         Tony nor I am going to Shanghai because of the heavy rain.

4. Not absent means p         .

5. How to p         SARS has been a serious problem.

6. Green Wall can stop sand moving        （朝，向）the farmland.

7. The          （围巾） that they are wearing are so beautiful.

8. My favorite subject is            （生物）,how about you?

9. The old           （夫妻）feels very happy though they aren’t rich.

10. To keep          （安全）,the drivers are driving slowly on the ice road.