◎ 题干
- Who left the window _______?
- Sorry. I forgot _______ it when I left yesterday.
A.opened; to closeB.open; to closeC.open; closingD.opening; closing
◎ 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“- Who left the window _______?- Sorry. I forgot _______ it when I left yesterday.A.opened; to closeB.open; to closeC.open; closingD.opening; closing…”主要考查了你对  【实义动词的单数第三人称形式】【实义动词】【动词短语】  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。