◎ 题干
—There aren’t any toys in our suitcase.Where have you put them?
—Oh, no.That old lady sitting next to us ______ have taken ours by mistake.
A.mustB.couldC.shouldD.would
◎ 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“—There aren’t any toys in our suitcase.Where have you put them?—Oh, no.That old lady sitting next to us ______ have taken ours by mistake.A.mustB.couldC.shoul…”主要考查了你对  【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。