1. You can't eat in the classroom.(改为祈使句)
_________ ________ in the classroom.
2. Maria has to practice the piano on Sundays.(改为一般疑问句)
_________ Maria _______ _______ practice the piano on Sundays?
3. Students can run and talk loudly in the hallways.(改为否定句)
Students __________ run _________ talk loudly in the hallways.
4. They have to clean the classroom.(对画线部分提问)
__________ ___________ they have to _____________?
5. Tony has to go to bed by 11:00 o'clock.(改为同义句)
  Tony has to ________ _______ bed by 11:00 o'clock.

1. You can't eat in the classroom. (改为否定祈使句) 
    ________ ________ in the classroom.
2. Be quiet. (改为否定句)
    ________ ________ quiet.
3. Can we play soccer now? (作否定回答)
    ________, ________ ________
4. Sandra can speak French. (就画线部分提问)
    ________ ________ Sandra ________?

1. You can't make a noise in the classroom（改为祈使句）      
                  a noise in the classroom.    
2. Run in the classroom（改为否定祈使句）     
                 in the classroom.    
3. Don't fight in school.（改为同义句）      
                   in school.    
4. He has to wear a school uniform at school.(改为一般问句）      
           He        to wear a school uniform at school?    
5. We can eat in the classroom.（改为否定句）      
We           eat in the classroom.