◎ 题干
We _____ on our project day and night in the past two weeks.
[      ]
A. had worked  
B. have been working
C. will be working  
D. are working
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“We _____ on our project day and night in the past two weeks. [ ]A. had workedB. have been workingC. will be workingD. are working…”主要考查了你对  【现在完成进行时】  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。