◎ 题干
(2013·安徽安庆三模)—She looks very happy.She________have passed the exam.
—I guess so.It’s not difficult after all.
A.should B.must
C.could  D.might
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“(2013·安徽安庆三模)—She looks very happy.She________have passed the exam.—I guess so.It’s not difficult after all.A.shouldB.mustC.couldD.might…”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。