◎ 题干
--- It’s already 9:00 o’clock, but he hasn’t turned up yet. 
--- He ______ in the traffic jam.
A.could have caught B.should have caught
C.must catch D.would have caught
◎ 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“--- It’s already 9:00 o’clock, but he hasn’t turned up yet. --- He ______ in the traffic jam. A.could have caught B.should have caught C.must catch D.would …”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。