Private cars are required to take turns off roads one out of five weekdays ___the traffic pressure. ...
2022-12-25 05:31:31 151次 2012-2013学年山东省高三12月阶段性检测英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Private cars are required to take turns off roads one out of five
weekdays ___the traffic pressure.
A．relieve B．relieving C．torelieve D．relieve
本题链接：
