◎ 题干
-Did you return Fred's call?      
-I didn't need to __________ I'll see him tomorrow.    
[     ]
A. though                          
B. unless    
C. when                              
D. because
◎ 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“-Did you return Fred's call? -I didn't need to __________ I'll see him tomorrow. [ ]A. though B. unless C. whenD. because…”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。