◎ 题干
It will take us               to finish the work.  
[     ]
A. half  hour              
B. one and half an hour  
C. one hour and a half  
D. one an half hours
◎ 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 will take usto finish the work. [ ]A. half hourB. one and half an hour C. one hour and a halfD. one an half hours…”主要考查了你对  【不定冠词(a,an)】【基数词】  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。