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