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正确答案A
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正确答案A