摘要： My parents live in a small village.They always keep candles in the house there is a power out. A.if B.unless C.in case D.so that 答案 C 解析 句意为:我父母住在一个小村庄里.他们总是在家里存着蜡烛以防停电.in case万一.以防.符 合题意.

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