1. 根据问句选择正确的答语

A. I am behind the tree. B. He's reading a book. C. She is watching TV. D. I'm taking pictures. E. I like swimming.

1. （1） What are you doing?
3. （2） What is Lingling doing?
5. （3） What is Tom doing?
7. （4） What do you like doing?
9. （5） Where are you now？