句型转换。
1. There are five books in my bag. (对画线部分提问)
_____________________________________________________________________________________
2. My sister often reads books in the evening. (对画线部分提问)
_____________________________________________________________________________________
3. Amy went to a park yesterday. (对画线部分提问)
_____________________________________________________________________________________
4. They bought some gifts for their new friends last Sunday. (变为一般疑问句，作否定回答)
_____________________________________________________________________________________
5. Sarah usually goes to school by bike. (变为否定句)
_____________________________________________________________________________________
