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.
