Our school has two 　　　　students.

A. thousand                   B. thousands 

C. thousand of                 D. thousands of

There are two ___ books in our school library.
　　A. hundreds　 　　B. thousands　 　　C. hundreds of　 　　D. hundred
　　

D　当与具体数字连用时百，千等词用单数。　
　　

句型转换(每题2分,共10分)
1. He was born in 1991.(对画线部分提问)
　　　　　　　　   he born?
2. I have a big bag. He has a small bag.
My bag is________than______.
3.There were some pingpong players in our school last year.(改为一般疑问句)
　　　　there 　　　　 pingpong players in your school last year?
4. He is too young to go to school.(改为同义句)
He is _______  ________ enough to go to school.
5. They are staying there for three weeks.（对划线部分提问）
                   are they staying there？

---_______ the Internet ___________ in your school?

　       ---Yes, but the computer in our office has broken down.

　   A. Is, used　    B. Is, using　     C. Does, use      D. Has, used