句型转换。(每小题1分,共5分)They’re on the sofa. (对划线部分提问)
my books?How much is it?(写出复数句)
How much ?She likes ice-cream.(改为一般疑问句)
she ice-cream?He has history on Friday.(改为否定句)
He history on Friday.My birthday is in September. My birthday is on the 21st.(合并为一句)
My birthday is September .