1. 给问句选择合适的答语。

A. Because I'm behind the tree. B. Because I lost my pen. C. It's under your bed. D. I bought an umbrella. E. She is my cousin.

1. （1） Where's my football?
3. （2） Who is the girl in blue?
5. （3） What did you buy?
7. （4） Why can't I see you?
9. （5） Why are you crying?