◎ 题干
If it had been possible, I would have helped him, but I ______ too busy.
A.had been B.would be C.were D.was
◎ 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“ If it had been possible, I would have helped him, but I ______ too busy.A.had beenB.would beC.wereD.was…”主要考查了你对  【虚拟语气句】  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。