1.Students shouldbe allowed to have part-time jobs.否定句：Students should not be allowed to have part-time jobs.一般疑问句 ：Should students be allowed to have part-time jobs ?回答：No.they shouldn't. 否定 Yes, they should.肯定2. Sixteen-year-olds should be allowed to choose their own clothes否定句：Sixteen-year-olds should not be allowe...
