Milk will turn sour soon on hot days ______ it is stored in the refrigerator. A.since B.until C.beca...
2022-11-23 04:39:34 31次 2013-2014学年北京市东城区高三第二学期综合练习(二)英语试卷(解析版) 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容:
Milk will turn sour soon on hot days ______ it is stored in the refrigerator.
A.since B.until
C.because D.unless
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