1. 选择合适的回答

A. Oh, I'm sorry.          B. It's green. We can go. C. They're waiting.        D. I'm going to work. E. Thank you.

1. （1） What color is the traffic light now?
3. （2） Where are you going?
5. （3） What are the people doing?
7. （4） Don't turn left.
9. （5） That's all right. Sit down, please.