◎ 题干

She is already two hours late. What _________to her?
A.can have happenedB.must have happened
C.should have happenedD.must happen
◎ 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“She is already two hours late. What _________to her?A.can have happenedB.must have happenedC.should have happenedD.must happen…”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。