◎ 题干
---You _________to our Mom like that. It was awfully impolite.
---You are right. I must have been crazy at that moment.
A.mustn’t have talkedB.needn’t have talked
C.shouldn’t have talkedD.may not have talked
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“---You _________to our Mom like that. It was awfully impolite. ---You are right. I must have been crazy at that moment.A.mustn’t have talkedB.needn’t have …”主要考查了你对  【虚拟语气】【情态动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。