1. 根据对话内容，选择方框内的句子完成对话。每个句子只能使用一次。

A. No, he isn't. B. Yes, she is a pupil. C. She's a teacher. D. I'm fine. Thank you. E. That's me.

A: Good morning, Amy!

B: Good morning, Daming!

A: How are you?

B:

A: Is this your mother?

B: Yes, she is.

A: Is your father a teacher,too?

B:  He's doctor.

A: Is this your sister?

B:

A: And is this your brother?

B: No, it isn't.