1. 给下列问句选择正确的答语

A. Red. B. It's on 25th December. C. No. They are his. D. I have a cold. E. Yes. I think paper is a great invention. F. Because it's big and tidy. G. I am going to the beach. H. I'll stay in Beijing for two weeks.

1. （1） Tommy, are these your shoes?
3. （2） Why do you like the study?
5. （3） What are you going to do this weekend?
7. （4） How long will you stay in Beijing?
9. （5） Which colour do you like, red or blue?
11. （6） What's wrong with you, little boy?
13. （7） Do you know any great inventions in the world?
15. （8） When is Christmas?