_____ everybody enjoys fresh cut flowers﹙插花﹚ around his house, few people know how to keep them for ...
2022-10-12 19:19:00 178次 2015-2016学年甘肃甘谷一中高二上第二次月考英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
_____ everybody enjoys fresh cut flowers﹙插花﹚ around his house, few people know how to keep them for as long as possible.
A. Because B. Since C. While D. If
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