We on this project for four hours. Let’s have a rest. A. are working B. have been working C. worked D. had worked 答案:B. 考点:考查动词时态. 句意:我们在这项工程上一直工作了四个小时了.咱们休息一会. 解析:从句子的时间状语for four hours和后面的句子Let’s have a rest可知.动作从过去发生.到说话的时候一直在进行着.所以此处要用现在完成进行时态. 查看更多

 

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We_______on this project for four hours. Let’s have a rest.

A. are working     B. have been working    C. worked      D. had worked

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We _______ on this project for four hours. Let’s have a rest.

    A. are working      B. have been working

C. worked          D. had worked

 

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 We ____ on this project for four hours. Let’s have a rest.

A. are working   B. have been working    C. worked       D. had worked

 

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We _______ on this project for four hours. Let’s have a rest.

    A. are working      B. have been working

    C. worked          D. had worked

 

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We_______on this project for four hours. Let’s have a rest.

A. are working     B. have been working    C. worked      D. had worked

 

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