◎ 题干
Bob said he was going to join our club but he didn’t. What a shame! He ______ his mind.
A.can’t have changedB.mustn’t have changed
C.wouldn’t have changedD.shouldn’t have changed
◎ 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“Bob said he was going to join our club but he didn’t. What a shame! He ______ his mind.A.can’t have changedB.mustn’t have changedC.wouldn’t have changedD.s…”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。