从方框中选择合适的句子完成对话。其中有一项多余。

A. How long can I keep them? B. You must renew (续借) it. C. What should I do? D. You can take out two books each time. E. How many books can I borrow? F. So he finds Eric and asks him some questions.

Today, John wants to borrow (借) some books, but he doesn't know how to borrow them.

John: I want to borrow some books.  

Eric: Do you have the library card?

John: Right here.

Eric:

John: Well, I'll take out two storybooks.  

Eric: For a week.

John: If I can't read the whole book on time, what can I do?

Eric:

John: Thank you for helping me.

Eric: You are welcome.