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    精英家教网 > 高中英语 > 题目详情
    11．______ the programme，they have to stay there for another two weeks．（　　）
    A．Not completingB．Not completed
    C．Not having completedD．Having not completed

    分析 因为没有完成这个项目，他们不得不又待了两个星期．

    解答 答案C   complete the programme与句子主语they的关系是主动的，应该用现在分词形式，可以排除B项．not complete的动作发生在have to stay之前，所以应该用完成式的现在分词，可以排除A项．D项的否定形式不对，非谓语动词的否定式一般是在其前加not．故答案为C

    点评 对于非谓语动词的考查，应该学会先判断语态，根据主被动关系可以排除部分干扰项；再根据时态排除部分干扰项，对于非谓语动词否定式的表达归纳如下：（1）不定式to前面加not  （2）过去分词前面加not（3）doing和having done的前面加not．

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