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”。