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allow students to use mobile phones in school is not a good decision?这句有什么问题?

分类: 作业答案 • 2021-11-12 23:37:23

问题描述：

allow students to use mobile phones in school is not a good decision?这句有什么问题?

答

不能用问号,得用句号.?是打错而已Allowing，作主语用动名词