从方框内选择恰当的句子，补全对话。

A. Yes, but not every day. B. My father is a doctor. C. What does your father do? D. Yes, he's so busy every day. E. He goes to work by bus.

Peter: Bob.

Bob: He's a fireman. He puts out fires every day. He's brave.

Peter: How does he go to work?

Bob: He works at the fire station.

Peter: Does he drive a fire engine (消防车)?

Bob: How about your father?

Peter: He helps sick people.

Bob: Great! I want to be a doctor, too. Is he busy every day?

Peter: He's very kind.