请根据本单元的知识完成对话。

　　A: What’s this ________ ________?

　　B: It's ________ ________ ________.

　　A: Is it your computer game?

　　B: Yes, ________ ________.

　　A: And what's that? Is it your eraser?

　　B: ________, it is.

　　A: How do you spell eraser?

　　B: ________.

　　A: Is that your notebook?

　　B: ________, ________ my pencil case.

根据句意和首字母，用本单元的单词填空。

What are you doing for v　　?

根据句意和首字母，用本单元的单词填空。

How is the weather in P　　?

根据句意和首字母，用本单元的单词填空。

－H　　 l　　 are you staying in San Francisco?

－About a month.

根据句意和首字母，用本单元的单词填空。

Don't f　　 to finish you homework.