◎ 题干
—I saw Helen in the library this morning.
—No, it _________ her. She moved to France last week.
A. can’t be             B. can be            C. mustn’t be
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“—I saw Helen in the library this morning. —No, it _________ her. She moved to France last week. A. can’t be B. can be C. mustn’t be…”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。