a few days 等于什么?

a few days 等于什么? take a few days off.什么意思? for a few days ,in a few days ,afer few days的区别 ,除此之外还有什么 加a few days的么? a few days for a few days a few days ago a few days later 和 a few days ago 有什么区别? 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 a few days before与a few days ago区别 for a few days 是什么意思 a few days 等于什么?有这样一道题：My study trip will begin in a few days.要求改写句子句意不变：My study trip will begin in ____ ____ ____ _____.有四个空格! 请问：in a few years' time和in a few years有什么区别She'll return from Fance______________.A.after a few day B.in a few days C.in a few days' timeD.after a few days' time另外,这题如果填 after a few days行不行? a few days ago为什么用a few these few days接什么时态 in a few days for a few daysThe engineer will return from England ___ a few weeks.A.on B.in C.since D.after 选什么?