◎ 题干
―Look at the lady there. ______ it be Mrs. Green?
―No, it _______ be her. She left for London this morning.
A.Must, can’tB.May, mustn’t
C.Can, may notD.Can, can’t
◎ 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“―Look at the lady there. ______ it be Mrs. Green?―No, it _______ be her. She left for London this morning.A.Must, can’tB.May, mustn’tC.Can, may notD.Can, …”主要考查了你对  【助动词】【介词短语】【固定搭配】【疑问词组】  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。