My parents live in a small village. They always keep candles in the house __________ there is a power cut.
A．ifB．unlessC．in caseD．so that
C。
in case意為“以防萬一”，又如：I bought the car at once in case he changed his mind. 我馬上買下了那輛汽車，以免他變卦。I don’t let him climb trees in case he tears his trousers. 我不讓他爬樹，以免撕破褲子。
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