What do you think is the greatestinvention of the twentieth century? 题目和参考答案——青夏教育精英家教网—

题目内容

11．What do you think is the greatestinvention（invent） of the twentieth century？

分析你认为什么是20世纪最伟大的发明？

解答答案：invention 根据the greatest…of可知此处需要名词形式，所给词invent为动词，其名词形式为invention，谓语动词is为单数．故答案为：invention

点评本题考查名词．要根据单词所在的位置来判断所需要的词性，根据所给词进行变化．

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