◎ 题干
Jack _____ yet, otherwise he would have telephoned me.
A.mustn’t have arrivedB.shouldn’t have arrived
C.can’t have arrivedD.needn’t have arrived
◎ 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“Jack _____ yet, otherwise he would have telephoned me.A.mustn’t have arrivedB.shouldn’t have arrivedC.can’t have arrivedD.needn’t have arrived…”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。