题目内容：

根据对话内容,运用方框中所给的句子选项补全对话。选项中有两项是多余的。

A: Good morning, Andy.

B:Good morning, Alice. Why do you look unhappy?

A: 1. I like it so much.

B:Oh! I found a book on the playground(操场). Is it yours?

A: No, it isn’t.

B: 2. Are they yours?

A: No, they aren’t. They are blue and mine are yellow.

B: 3.

A：I don’t know. Henry’s phone number is 367-1873. 4.

B: OK. Thank you, Alice.

A: 5..

A. This is my book.

B. You can call him.

C. You are welcome.

D. What color are these?

E. What about these pens?

F. Are these Henry’s pens?

G. Because I can’t find my book