1.How many books can I borrow at a time? 我一次可以借多少本书？
2.I want to keep it for another two weeks. 我想再借多两个星期。
3.I'd like to renew it for one more week. 我想再续借一个星期。
4.How long will you keep it? 你要借多久？
5.I'll get it back as soon as possible. 我会尽快还回来。
6.I'm afraid it's been out for some time. 恐怕它已经借出去一段时间了。
7.The book you want's on loan. 你要的那本书已经被借走了。
8.You'll have to pay fines if you can't return the book in time.
如果你不能及时把书还回来，你必须缴罚金。
9.Your books are two days overdue. 你借的书已经过期两天了。
10.You may not keep it for over three weeks. 你借的时间可能不能超过3个星期。
