The days are gone________you can breathe fresh，unpolluted air or drink clean, unpolluted water in th...
2022-11-25 01:54:08 137次 2014年高考限时训练（2）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 days are gone________you can breathe fresh，unpolluted air or drink clean, unpolluted water in the countryside.
A．when B．that
C．where D．which
本题链接：
