The speed limit for bicycles on campus is 15 mph, ___________ otherwise posted. A. unless B. until C...
2022-11-28 20:48:56 42次 2013-2014学年浙江省高三第五次（3月）月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The speed limit for bicycles on campus is 15 mph, ___________ otherwise posted.
A. unless B. until C. since D. however
本题链接：
