单项选择。Sorry,I
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问题详情:
单项选择。
Sorry,I ________ help you clean the classroom yesterday.
A.could B.couldn't
C.am able to D.couldn't able to
【回答】
B
知识点:情态动词
题型:选择题
问题详情:
单项选择。
Sorry,I ________ help you clean the classroom yesterday.
A.could B.couldn't
C.am able to D.couldn't able to
【回答】
B
知识点:情态动词
题型:选择题