◎ 题干

20 . They have made_______a rule________in the room.
A. this; not to smokeB. it; smoking
C. it; to not smokeD. it; not to smoke
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“20 . They have made_______a rule________in the room.A. this; not to smokeB. it; smokingC. it; to not smokeD. it; not to smoke…”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。