题目内容：

排序。

1.（   ）Yes, of course.

2.（ 1 ）Excuse me. Can I borrow this book?

3.（   ）Let me see. Oh, sorry. This book is from Shelf C. You can only read it here.

4.（ 5 ）Can I borrow this one?

5.（   ）May I have your library card, please?

6.（ 9 ）I see. Thank you.

7.（   ）Yes. Here you are.

8.（   ）For a month.

9.（ 7 ）How long can I keep it?