问题 选择题

Leave your key with your neighbor ________ you lock yourself out one day.(2012·辽宁)

A.as long as

B.even though

C.in case

D.as if

答案

答案:C

句意:留一把钥匙给你的邻居,以防哪天你把自己锁在门外。根据句意可知,此处用in case引导目的状语从句,in case表示“以防,免得”。

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