◎ 题干
— The light in tne office is still on.
— Oh, I forget _____.

[     ]

A. turning it off
B. turn it off
C. to turn it off
D. having turned it off
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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 light in tne office is still on. — Oh, I forget _____.[ ]A. turning it off B. turn it off C. to turn it off D. having turned it off …”主要考查了你对  【不定式】  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。