句型转换，每空一词。

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.