1. 阅读对话，判断正误。

Sarah: Can I see your English book?

Mike: Talk quietly! We are in the classroom now. We should talk quietly. Oh，where is my English book?

Sarah: Is that your English book?

Mike: Yes. it is. Here you are.

Sarah: Thanks. You should keep your desk clean.

Mike: OK. I will. Thanks.

1. （1） Sarah is reading her English book.
3. （2） Mike and Sarah are talking.
5. （3） Mike's desk is very clean now.
7. （4） They're in the classroom now.