补全对话

　　(At the library. )

　　Assistant: Hello! Can I help you?

　　Chen Hua: Yes, please. Have you got The History of Chinese Literature?

　　Assistant: 1 Somebody has just returned it. Just a minute, please. I'll go and get it for you.

　　(The assistant gave Chen Hua the book. )

　　Assistant: Here you are.

　　Chen Hua: Thank you. 2

　　Assistant: A month.

　　Chen Hua: 3

　　Assistant: Yes, you can. You can renew (续借) it and keep it for another month.

　　Chen Hua: 4

　　Assistant: Yes, you must.

　　Chen Hua: I see. Thanks.

　　Assistant: 5 Don't lose it, or you'll have to pay for it.

　　Chen Hua: Thanks a lot. Goodbye.

　　Assistant: Bye-bye.

A．Can I keep it a little longer if I can't finish it on time?

B．Must I bring the book back for renewing?

C．By the way, how long may I keep it?

D．How many books can I borrow at a time?

E．Please take good care of the book.

F．Somebody has borrowed it.

G．You are lucky.