◎ 题干
Our headmaster isn’t in his office. I can’t find him anywhere. Did you notice him ______ the office?
A.to enterB.enterC.to leaveD.leave
◎ 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“Our headmaster isn’t in his office. I can’t find him anywhere. Did you notice him ______ the office?A.to enterB.enterC.to leaveD.leave…”主要考查了你对  【不定式】【分词】【动名词】  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。