Look!One of the students____the classroom.A.clean B.are cleaning C.are clean D.is cleaning

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Look!One of the students____the classroom.A.clean B.are cleaning C.are clean D.is cleaning
Look!One of the students____the classroom.A.clean B.are cleaning C.are clean D.is cleaning

Look!One of the students____the classroom.A.clean B.are cleaning C.are clean D.is cleaning
D is cleaning.one of the students 是一名学生,所以用is