◎ 题干

13. –Just now I called home but nobody answered.
--Oh, sorry. I ________.
A.must have fallen asleepB.must fall asleepC.can’t been asleepD.must be asleep
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“13. –Just now I called home but nobody answered. --Oh, sorry. I ________.A.must have fallen asleepB.must fall asleepC.can’t been asleepD.must be asleep…”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。