The doctor told me to take the medicine_____. A. every fourth hours B. each fourth hour C. each four...
2022-12-06 04:05:44 113次 2013-2014学年甘肃省第一学期高三第二次模拟考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The doctor told me to take the medicine_____.
A. every fourth hours B. each fourth
hour
C. each four hours D.
every four hours
本题链接：
