10. We mustn’t waste anything. ___________we mustn’t waste time.

9. One day, the two farmers met the market _________.

8. He is ___________________ losing life because of the big fire.

7. They were both punished ________________ smoking.

6. He could have done the job better _________________.

5. ___________________ my English teacher, I have made rapid progress in my English study.

4. How are you going to ____________ the water pollution of the area?

3. I work hard ___________for those who care for me, help me and love me.

2. They ___________________ the man who saves their sons from the lake.

1. China is a country __________________the developing country.