问题描述：
九年级英语第三单元1a的被动改成主动
有下面几个句子：1,teenagers should be allowed to go out with their friends every night 2,sixteen-year-olds should be allowed to drive 3,students should not be allowed to have part-time jobs 4,sixteen-year-olds should be allowed to get their ears pierced 5,sixteen-year-olda should be allowed to choose their own clothes
有下面几个句子：1,teenagers should be allowed to go out with their friends every night 2,sixteen-year-olds should be allowed to drive 3,students should not be allowed to have part-time jobs 4,sixteen-year-olds should be allowed to get their ears pierced 5,sixteen-year-olda should be allowed to choose their own clothes
问题解答：
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