根据图片和答语写问句。
1. —________________________________________
—It's thirty dollars.
![](//static.xuejinqu.com/qimg/49f/49f98969fbf4e71909cc84018cbbf509.png)
2. —________________________________________
—I'm going to go swimming.
![](//static.xuejinqu.com/qimg/aad/aad961d759c902b936956ef9c18692c3.png)
3. —________________________________________
—He is reading a book.
![](//static.xuejinqu.com/qimg/024/024e86a07ad612ae87aab13d7c34d112.png)
4. —________________________________________
—Because I am going to have a party.
![](//static.xuejinqu.com/qimg/869/869697a9731510ebdce91b1229e91814.png)
5. —________________________________________
—I go to school by bike.