My parents live in a small village. They always keep candles in the housethere is a power

发布时间：2020-08-17 11:27:19

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

网友回答

A. if
B. unless
(答案→)C. in case
D. so that
解析：他们在屋内时刻备有蜡烛是停电的时候用的，因此该空应填in case引导目的状语从句。
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