问题描述：
将下列改为祈使句：1、You should do your homework every day.2、You can't arrive late for school
3、You have to clean the classroom after school.
4、You shouldn't speak loudly in the library.
5、You can't listen to music in the ciassroom.
3、You have to clean the classroom after school.
4、You shouldn't speak loudly in the library.
5、You can't listen to music in the ciassroom.
问题解答：
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