题目内容：

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？