◎ 题干

Everyone knows that _______ is dangerous to play with fire, but _______ is difficult is to prevent children from playing with fire.
A.it, itB.what, what
C.it, whatD.what, it
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Everyone knows that _______ is dangerous to play with fire, but _______ is difficult is to prevent children from playing with fire.A.it, itB.what, whatC.it, wha…”主要考查了你对  【人称代词】【相互代词】【疑问代词】【关系代词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。