Who helped you clean the classroom?Daming( ).( ）中是did还是was?

分类: 作业答案 • 2021-12-28 17:00:13

问题描述：

Who helped you clean the classroom?Daming( ).( ）中是did还是was?
rt,为什么

答

你好: Who helped you clean the classroom? Daming( did ). 因为前面已经有了行为动词help后面有主语Da ming谓语动词需要助动词即 Da minghelped meclean...