◎ 题干
Leave your key with a neighbor         you lock yourself out one day.
A.ever since B.in caseC.as usualD.soon after
◎ 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“Leave your key with a neighbor you lock yourself out one day.A.ever sinceB.in caseC.as usualD.soon after…”主要考查了你对  【副词的比较级】【疑问副词】【连接副词】【副词】  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。