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While reading, an idea struck me books are the greatest invention of human beings.A.whatB.whichC.who

编辑:chaxungu时间:2026-04-24 12:57:36分类:高中英语题库

While reading, an idea struck me _________ books are the greatest invention of human beings.
A.whatB.whichC.whoseD.that在线课程D
that books are the greatest inventions of human beings是idea的同位语表示其内容。