young students should not be allowed to work at night,becaus

young students should not be allowed to work at night,becaus 选择( )should not be allowed to go out at night. _____ should not be allowed to go out at night. Should smoking be allowed among young students?Why or not? Should smoking be allowed among young students?Why or not Ten-year-olds should not be allowed to go out at night. （）＿＿＿should not be allowed to go out at night A.Twelve-years Should students be allowed to cut classes? [ ] should not be allowed to drink wine should not be allowed to语法对吗? shouldn`t sisteen-year-olds be allowed to work at night? 16岁 Students should not be allowed to have part-time jobs.改为否定句