Was it because of the heavy snowstorm in Europe _______ the flight had to be put off ? A. which B．so...
2023-01-23 02:03:33 91次 2012届山东省枣庄市高三九月月考英语题（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Was it because of the heavy
snowstorm in Europe _______ the flight had to be put off ?
A.
which B．so C．why D．that
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