句型转换。

1. We go to school by bus. (对划线部分提问)    

    __________ do __________ go to school?

2. Today is February fifteenth. (对划线部分提问) 

    __________ the __________ today?

3. The tickets are forty-five yuan. (对划线部分提问) 

    __________ __________ are the tickets?  

4. He bought a computer yesterday. (改为否定句)  

    He __________ __________ a computer yesterday. 

5. The girl is doing her homework now. (改为一般现在时)  

    The girl often __________ __________ homework.