问题
单项选择题
My parents live in a small village. They always keep candles in the house（）there is a power cut.
A. if
B. unless
C. in case
D. so that
答案
参考答案：C
解析：
in case意为“以防万一”，符合题意。故选C。
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My parents live in a small village. They always keep candles in the house（）there is a power cut.
A. if
B. unless
C. in case
D. so that
参考答案：C
解析：
in case意为“以防万一”，符合题意。故选C。