◎ 题干
I didn't realize my mistake ____ my teacher had a face-to-face talk with me.

[     ]

A. until
B. after
C. since
D. when
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“— Howmanyteachersdoyouhave?— There three.[ ]A.areB.beC.is…”主要考查了你对  【从属连词】  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。