◎ 题干
Secondly ,do not stop ________you come to a word or a   phrase you do not know.   
[     ]
A. for the first time          
B. because    
C. every time                  
D. since
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Secondly ,do not stop ________you come to a word or a phrase you do not know.[ ]A. for the first time B. becauseC. every time D. since…”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。