补全对话

A: Hi, Frank!

B: Yes?

A:

B: Yes, it is. It's on my books.

A: Oh, OK. Is my notebook (笔记本) on your desk, too?

B: These notebooks are mine.

A: Oh!  What should (应该)I do?

B: Don't worry (别担心). I can help you find it.

A: It's blue.

B: Oh, I see one.

A: Yes, it's mine. Thank you, Frank.

A. No, it isn't. B. What color is it? C. It's on Lucy's chair. D. I lost my notebook. E. Is my pen on your desk?