A: Can I help you?

B: Yes, please. How can I find them?

A:

B: OK! How many books can I borrow at a time?

A.

(Fifteen minutes later. )

B: Excuse me, sir. I want these four books.

A: Half a month.

B: Oh! Only half a month? I'm afraid I can't return them until I've finished my history report.

A: Then you have to renew them before they're due. It's 0.1 yuan a day for each book.

A. At most six.

B. How long may I keep them?

C. If not, you'll have to pay a fine(滞纳金).

D. You can check for them on the computer first.

E. I want to borrow some books on Chinese history.