◎ 题干
If you go into a store and feel that the clerk is being rude, stop and think that she____ a tough day, and put yourself in her shoes.
A.may haveB.may have hadC.must haveD.should have had
◎ 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“ If you go into a store and feel that the clerk is being rude, stop and think that she____ a tough day, and put yourself in her shoes. A.may haveB.may have hadC…”主要考查了你对  【虚拟语气】【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。