1. 给下列句子选择合适的答语

A. Let's go. B. Oh, sorry. C. Go straight on and turn left. D. To the supermarket. E. No problem!

1. （1） Where are we going?
3. （2） Don't talk in the library!
5. （3） Can you help me?
7. （4） How can I get to the department store?
9. （5） Look! The light is green.