WhenJim’smothercamein,he
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问题详情:
When Jim’s mother came in, he _______ his homework.
A.is doing B.has done C.was doing
【回答】
C
知识点:动词时态
题型:选择题
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问题详情:
When Jim’s mother came in, he _______ his homework.
A.is doing B.has done C.was doing
【回答】
C
知识点:动词时态
题型:选择题