单词拼写：根据句意和所给首字母提示完成句中所缺单词。

1. The chemical factory p__________ terrible gas every day.

2. If you b__________ some fresh air, you will feel better.

3. Don't d__________ me now. I'm doing my homework.

4. As we know, n___________ of us likes pollution.

5. You shouldn't throw r___________ here and there.

6. We should do everything we can to protect the e___________.

7. Everyone is s__________ to do something useful.

8. Trees can p__________ the sand from moving towards the rich land.

9. You'd better take a taxi i__________ of walking there. Because it's a long way.

10. We really need to collect w__________ paper and soft drink cans.