◎ 题干
—It’s years ____you broke up then.
—Yes. I have regretted the decision. It was long ____I realized I had mistaken him.
A.until; afterB.when; before
C.since; beforeD.when; until
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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 years ____you broke up then.—Yes. I have regretted the decision. It was long ____I realized I had mistaken him.A.until; afterB.when; beforeC.since;…”主要考查了你对  【therebe句型】  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。