a few days before与a few days ago区别

a few days before与a few days ago区别 a few days before与a few days later的区别是什么? a few days for a few days a few days ago every few days 与every a few days的区别,哪个是对的, it is a right to work hard only a few days before the exam什么意思 短信改错 Deareditor,I am a high school student.A few days before, later a few days还是after a few days in a few days after a few days用法区别 in a few days for a few days 区别? quiet a few days还是a quiet few days for a few days 是什么意思 a few days 等于什么? 填空Children can ----playing with paper lanterns a few days before Mid-autumn night. 3.night,children,before,with,days,them,a few,playing,be,can,Mid-Autumn,seen I am a high school student.A few days before……请问这句话怎么改错? a few days ago为什么用a few