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Mr dong ____ to the factory.He will be back __an hour .A .has gone,after B has been ,in C.has gone,in D has been ,after

分类: 作业答案 • 2021-12-30 12:46:02
问题描述：

Mr dong ____ to the factory.He will be back __an hour .A .has gone,after B has been ,in C.has gone,in D has been ,after

答

A gone和been的区别是,gone是还没回来,been是去过已经回来.
in an hour是一个小时以后的固定用法

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