1. 闯迷宫(选出下列问句对应的答语)。

A. Yes, it is.

B. It is Miss Yang's.

C. He is at home.

D. They are singing

1. （1） —Where is Tom?
   —
3. （2） —What are they doing?
   —
5. （3） —Is this your pen?
   —
7. （4） —Whose book is that?
   —