2. 职称英语
  3. Corn originated in the New World and thus was not known in Europe until Columbus

Corn originated in the New World and thus was not known in Europe until Columbus

游客2024-10-05  37
问题 Corn originated in the New World and thus was not known in Europe until Columbus found it ______ in Cuba.
选项 A、been cultivated
B、having cultivated
C、cultivating
D、being cultivated
答案 D
解析 非谓语动词用法题。现在分词被动形式的一般式为being+v．-ed形式，不仅表示被动的动作，而且还表示这个动作正在发生或与谓语动词的动作同时发生。此句being cultivated与谓语动词found同时发生，作found的宾语补足语。故选项D正确。因分词和逻辑主语之间是动宾关系，故不用现在分词cultivating。
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