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    精英家教网 > 高中英语 > 题目详情
    We ____ hard together to achieve our common goal these years-to build a cleaner, safer and healthier world.

    A. have been working
    B. are working
    C. work
    D. have worked
    A
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    科目：高中英语 来源：河南省模拟题 题型：单选题

    We ____ hard together to achieve our common goal these years-to build a cleaner, safer and healthier world.
    [     ]
    A. have been working
    B. are working
    C. work
    D. have worked

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