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    精英家教网 > 高中英语 > 题目详情
    This is the first plane ____ by Chinese engineers.

    A. designed
    B. designing
    C. to be designed
    D. being designed
    C
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    科目：高中英语 来源：模拟题 题型：单选题

    This is the first plane ____ by Chinese engineers.
    [     ]
    A. designed
    B. designing
    C. to be designed
    D. being designed

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