题目内容
根据句子意思,用括号中所给词的正确形式填空。
This is one of the most important ________ the great ________ ________(invent).
答案:inventions,inventor,invented
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题目内容
根据句子意思,用括号中所给词的正确形式填空。
This is one of the most important ________ the great ________ ________(invent).