Leave your key with a neighbor you lock yourself out one day.
A. soon after
B. even if
C. ever since
D. in case
网友回答
A. soon after
B. even if
C. ever since
(答案→)D. in case
解析： 考查连词，soon after 不久以后，even if 即使，ever since 自从，in case 以防，以免，句意:把你的钥匙留给你的邻居以防有一套你把自己所在外面。故选D。