1. 阅读对话，判断对错。

Assistant: Can I help you?

Mum: Yes, please. I want to buy a pair of sneakers(球鞋) for my son.

Assistant: What size?

Mum: Size twenty-one.

Assistant: How about this pair?

Mum: I like those blue sneakers.

Assistant: Here you are.

Mum: Thank you. Are they nice, John?

John: Yes, Mum. I like them.

Mum: How much are they?

Assistant: They're thirty-five yuan.

Mum: OK. We'll take them.

1. （1） John's mother wants to buy a pair of sneakers for him.
3. （2） John's mother likes the red sneakers.
5. （3） John wears size twenty.
7. （4） The sneakers are thirty-five yuan.
9. （5） John likes the sneakers.