---Who cleaned the classroom?---Mary .A. canB. doesC. didD. is

发布时间：2020-08-21 12:20:26

---Who cleaned the classroom?
---Mary     .
A. can
B. does
C. did
D. is

网友回答

A. can
B. does
(答案→)C. did
D. is
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。
以上问题属网友观点，不代表本站立场，仅供参考！