补全对话

A: Hi, Zhang Lei. Nice to meet you!

B:!

A: Can I ask you some questions?

B: Yes, please.

A: ?

B: It's math.

A: ?

B: Because I think it is easy and interesting.

A:?

B: Mr Green.

A: Do you like him?

B:. He is my favorite teacher.

A: Thank you.

A. Who is your math teacher?

B. Is your favorite subject math?

C. Nice to meet you.

D. I like him very much.

E. Yes, I do.

F. What's your favorite subject?

G. Why？