Mary _____ be in London because I saw her in town just now. A．mustn’t B．isn’tableto C．maynot D．canno...
2023-02-01 08:28:37 52次 2010届三轮回扣语法专项训练（情态动词和虚拟语气） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Mary _____ be in London because I saw her in town just now.
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A．mustn’t
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B．isn’tableto
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C．maynot
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D．cannot
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