◎ 题干
  The girl in black trousers _____often noticed ______the teachers’ office.
A.are; entering intoB.are; entering
C.is; to enter intoD.is; to enter
◎ 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“ The girl in black trousers _____often noticed ______the teachers’ office.A.are; entering intoB.are; enteringC.is; to enter intoD.is; to enter…”主要考查了你对  【被动语态】  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。