题目内容：

选择恰当的选项，补全对话。

Wu Yifan: Welcome to my home! 1.

John: Where is your mum?

Wu Yifan: 2.

John: Is she ill?

Wu Yifan: No, she is a doctor.

John: Great. I want to be a doctor. 3.

Wu Yifan: He is a head teacher.

John: 4. He looks serious（严肃的） in the picture.

Wu Yifan: Haha, no. 5.

John: Wow, you have a happy family.

A.She is in a hospital.

B.What does your father do?

C.Actually, he is a kind man.

D.He must be a strict man.

E.Come in, please.