选择合适的选项补全对话。(其中有两个为多余选项)

A. How about Sunday afternoon?    B. I'd love to.

C. This is Allen speaking!   D. Can you give me a hand?

E. That is Allen.     F. This is Mike.     G. Thank you.

Allen: Hello!

Mike: Hello ! . May I speak to Allen, please?

Allen:.

Mike: Hi, Allen. How are you?

Allen: Fine, thanks. And you?

Mike: I'm fine. . Allen, I need some help.

Allen: Sure.

Mike: There is something wrong with my computer. Can you mend(修理) it?

Allen: Certainly, but not today.

Mike: OK. Thanks a lot. See you then.