◎ 题干
—Where's the report?      
—I brought it to you ____you were in Mr. Black's office yesterday.    
[     ]
A. if                        
B. when    
C. because                  
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“—Where's the report?—I brought it to you ____you were in Mr. Black'soffice yesterday.[ ]A. ifB. when C. because D.before…”主要考查了你对  【连接副词】  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。