◎ 题干
           your timely help,or we wouldn't have finished it. 
[     ]
A. Due to                        
B. Thanks to  
C. Owing to                    
D. As a result of
◎ 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“ your timely help,or we wouldn't have finished it.[ ]A. Due toB. Thanks toC. Owing toD. As a result of…”主要考查了你对  【介词和介词短语】  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。