◎ 题干
 It was some time________we realised the truth.
[      ]
A. when 
B. until
C. since  
D. before
◎ 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 was some time________we realised the truth.[ ]A. whenB. untilC. sinceD. before…”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。