P13 4-2 二、听对话，选答语。

1. — Is the boy wise or silly？

    — He is wise.

2. — How many apples would you like?

    — Three pounds, please.

3. — How much is the pencil?

    — It’s 50 cents.

4. — Whose cars are these? 

    — They are the guests’.

5. — What’s wrong with the motorcycle?

    — There is something wrong with the front lights.