He ________ without saying goodbye to them, for he always has good manners.
A.can’t have left | B.may not have left |
C.shouldn’t have left | D.mustn’t have left |
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He ________ without saying goodbye to them, for he always has good manners.
A.can’t have left | B.may not have left |
C.shouldn’t have left | D.mustn’t have left |