◎ 题干
—Tom can’t find his gloves. Are these blue gloves his?
      —No, they ______ be his. His gloves are black.
A.mustB.mayC.can’t D.mustn't
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“ —Tom can’t find his gloves. Are these blue gloves his? —No, they ______ be his. His gloves are black. A.mustB.mayC.can’t D.mustn't…”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。