1. (2017八下·灌阳期中) 根据句意及括号内汉语提示写出所缺单词的正确形式。

1. （1） Something (闻、闻起来) terrible. What goes bad in the kitchen?
   

3. （2） This is a (私人的) letter, and you can't open it. Please remember it.
   

5. （3） Betty has lived in Guilin (自从……以来) she came to China. She loves it very much.
   

7. （4） Tom is a good young man. His boss (派遣) him to Shanghai to work last month.

9. （5） We have only one earth. It's too important for us. So we must try our best to make our (环境) much cleaner.