He _____ without saying good-bye to them, for he always has good manners. A. mustn’t have left B. m...
2023-02-12 00:59:39 49次 2010届高三英语每周精析精练：情态动词和虚拟语气（一） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
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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