◎ 题干
Simon is very regretful. If he had been more careful, he _____ such a big mistake.
A.hasn’t made B.hadn’t made
C.won’t have made D.wouldn’t have made
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Simon is very regretful. If he had been more careful, he _____ such a big mistake.A.hasn’t madeB.hadn’t madeC.won’t have madeD.wouldn’t have made…”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。