1. 根据对话内容，从方框中选出合适的句子，填在对话空缺处，使对话内容完整、连贯,两项多余。

A: Excuse me, is this your pen?

B: No, it's Jack's.

A: Are the blue pencils his?

B:  They're Lucy's.

A: What about the two rulers?

B: The blue one is Jack's.

A: Well, is Jack at school now?

B:  You can telephone him.

A: What's Jack's phone number?

B:

A: Thank you.

B: You're welcome.
 

A. No, they aren't. B. It is 0352-7715609. C. And the yellow one is mine. D. Sorry, I don't know. E. Yes, it's his. F. Who is Jack? G. Mine is in my schoolbag.