18 - to- 21- year-olds 为什么old加s

from year to year 18 - to- 21- year-olds 为什么old加s 英语翻译Are you looking for something fun and would you like to help other people when you have enough time.Then come to us and become a volunteer(志愿者)!We have volunteer jobs for people of all ages.Anyone,from twelve-year-old children to ol year and year与year after year与year to year与year by year的区别 1 why do US kids usually go to part-time jobs?2 what does the author think of working inin fast food in restaurant?3 Does the author think it's more important to have work experience or get good grades?4 Each has a number on its body.5 The 12-year-ol year to date FOR MANY YEAR TO the year to year to last month,year to day ,quarter to 英语翻译I N D Ecoj ol N Ts To CkComPANy万分感谢QAQ! HAPPY NEW YEAR TO EVERY how to write year book? Year to the Day 歌词 in the year to February rainfall can change from year to year 翻译 happy new year happy new year to you It is an honor for an__ to go to Harvard University.A,18 years old B,18-year's old C,18-year 英文缩写OL是什么意思?