从方框中选择正确选项。(方框中有一个选项与对话内容无关)

A. I see. B. I want to buy some bananas, too. C. But why don't you come with me? D. Let's go tomorrow. E. What do you want to do? F. When?

Mike: Hello. Mary. Tomorrow is Saturday.

Mary: I plan to go to the shops.

Mike: Do you want to buy some exercise books and school things?

Mary: Yes. I do.

Mike: Oh, could you get some for me, too?

Mary: Sure.

Mike: That's a good idea.

Mary: OK.