--- I saw Mr Li at the meeting yesterday.
--- Did you? He ______ have attended, for he had asked for sick leave.
A.needn’t | B.couldn’t | C.shouldn’t | D.mustn’t |
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--- I saw Mr Li at the meeting yesterday.
--- Did you? He ______ have attended, for he had asked for sick leave.
A.needn’t | B.couldn’t | C.shouldn’t | D.mustn’t |
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