. Leave your key with a neighbor you lock yourself out one day.
A. ever since
B. even if
C. soon after
D. in case
网友回答
A. ever since
B. even if
C. soon after
(答案→)D. in case
解析：比较：ever since意为“自从”，even if意为“即使”，soon after意为“在……之后不久”，in case意为“以防万一”。逐一填入空格，显然只有in case最合语境。句意为：给你的邻居留一把钥匙，以防万一哪天你把自己锁在外面。