题目内容
My sister met him at the Grand Theatre yesterday afternoon, so he ________ your lecture.
[ ]
A.
couldn’t have attended
B.
needn’t have attended
C.
mustn’t have attended
D.
shouldn’t have attended
答案:A
解析:
解析:
couldn’t have done意思是“过去不可能做过某事”。根据语境“my sister met him at the Grand Theater”可知。 |
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