◎ 题干
He was so careless that he left _____the door ____.
[     ]
A. leaving…unlocked
B. to leave…locked
C. left…unlocking
D. leaving…locking
◎ 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“He was so careless that he left _____the door ____. [ ]A. leaving…unlocked B. to leave…lockedC. left…unlocking D. leaving…locking …”主要考查了你对  【现在分词】【过去分词】  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。