题目内容
---Who cleaned the classroom?
---Mary ________.
A. can B. does C. did D. is
【答案】
C
【解析】此题考查过去时的简略回答,因其谓语动词是行为动词故其简略回答要用did。
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题目内容
---Who cleaned the classroom?
---Mary ________.
A. can B. does C. did D. is
C
【解析】此题考查过去时的简略回答,因其谓语动词是行为动词故其简略回答要用did。