1. 根据对话内容回答问题

A: Hello! Is that Mike?

B: No. This is Tom.

A: Hi, Tom. This is John. How are you?

B: Fine, thanks.

A: Is Mike in?

B: Sorry, he isn't. He's at school.

A: OK. Thank you. Bye—bye!

B: Bye!

1. （1） Who is not at home?

3. （2） Where is Mike?

5. （3） Where is Tom?

7. （4） Is John with Tom?