1. 根据句意及首字母提示完成句子。

1. （1） We haven't d who took away our books.

3. （2） So far they have received many m about the earthquake.

5. （3） Many companies use email in their offices, so it's easy for people to c with one another.

7. （4） The s can translate English into Chinese.
   

9. （5） It's i for me to finish the work in two days. I need some help.