five years plans是五年计划吗~还是five-years plan或是five-year plans / five-year plan那我看到有人写five years plans对吗~

five years plans是五年计划吗~还是five-years plan或是five-year plans / five-year plan那我看到有人写five years plans对吗~ Five Long Years 歌词 in five years' time Five years ago for five years 中文 Five years meter These five years of five years before 用法和five years ago的区别 Five years has past还是Five years have past? We have lived in this city _____A five years agoB for five years agoC since five years agoD five years A Roadmap for Five Years Rose is over five years When i was five years 用five years ago造句 some twenty-five years 意思 WAIT-FOR-ME-FIVE-YEARS- He sister is ( )than he A.younger five years B.five years younger C.five year youngerD.five younger years She was in college( ).a.five years after b.five years ago c.in fie years d.late five years