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 Look!Somechildren    theclassroom.A.clean             ...

练习题1.97W

问题详情:

 Look!Somechildren    theclassroom.A.clean             ...

 Look! Some children    the classroom.


A. clean                     B. cleaning


C. is cleaning              D. are cleaning


【回答】

D

知识点:动词时态

题型:选择题