◎ 题干
---John, how did your English exam go?
-----I thought I ____,but in fact I came in the top 10% in the class.
A.should have failedB.couldn’t have failed
C.might have failedD.mustn’t have failed
◎ 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“---John, how did your English exam go? -----I thought I ____,but in fact I came in the top 10% in the class.A.should have failedB.couldn’t have failed C.might…”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。