1. 从方框中选出下列各句的最佳应答语。

A. OK! B. Nice to meet you, too. C. Very well, thanks. D. Hi! E. Good afternoon.

1. （1） How are you?
3. （2） Good afternoon.
5. （3） Let's go to school!
7. （4） Hello!
9. （5） Nice to meet you.