题目内容：

句型转换。（每小题1分，共5分）

1.They’re on the sofa. (对划线部分提问)

                      my books?

2.How much is it?(写出复数句)

   How much                     ?

3.She likes ice-cream.(改为一般疑问句)

          she          ice-cream?

4.He has history on Friday.(改为否定句)

   He                     history on Friday.

5.My birthday is in September. My birthday is on the 21st.(合并为一句)

   My birthday is         September          .