单句语法填空

1.He turned         his father for advice.

2.Nobody seems to understand. I don't know who to        

似乎没人懂这个，我不知道该向谁求助。

3.The job          than we thought.

这份工作结果比我们想象的更难。

4.Why did she        your invitation?

她为什么拒绝你的邀请？

5.The heavy storm struck my town，leading          a heavy loss.

6.The burning plastic gives          poisonous gas, which is harmful to our health.

7.I hope you as well as your sister can take part          the campaign tomorrow.