My sister met him in the hospital 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 |
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My sister met him in the hospital 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 |