1. 根据问句选择正确的答语

A. He's flying a kite. B. It's drawing pictures C. They're playing football. D. She is taking pictures E. I am watching TV.

1. （1） What are they doing?
3. （2） What is he doing?
5. （3） What is Lily doing?
7. （4） What are you doing?
9. （5） What is the horse doing？