题目内容：

III. 请从所给的七个句子中选出五句将对话补充完整。

John: Hi, Mike. What do your parents do?

Mike: Well. (1)1. How about you?

John: My parents are workers, but I want to be an astronaut.

Mike: Really? (2)2.

John: Yes. I do exercises at home and school everyday. (3)3.

Mike: I want to be a doctor.

John: (4)4. Oh, I have to go! I will have a class in five minutes.

Mike: OK, John. (5)5.

John: See you.

A. See you later.

B. What does he look like?

C. My parents are both teachers.

D. It’s cool!

E. What about you?

F. My parents are both fifty years old.

G. You should be strong.