After four years in america,he got ______ (A) a doctor degree (B) a doctor's degree 选什么?还有为

The olympic games will be held in our country in four years' time. in four years 中 in 可换 after?1、……in four years 和……at four years ……after four years 有什么区别?2、表达 4年内 怎么表达呢? meet u again in the hospital,but after four years ,u have changed maybe not the same girl ,lovely I think Beth will be a pilot in four years对in four years提问 four years Four Years 英语好的进!In three years,bill will be three times英语好的进!In three years,bill will be three times as old as nancy was four years ago.After three years,bill will be three times as old as nancy was four years ago.有什么不同? 选择 The American Civil War lasted four years ____ the North won in the end.A.after B.before C.when D.then After four years in america,he got ______ (A) a doctor degree (B) a doctor's degree 选什么?还有为 This is a_boy.He can't look after himself A,four-years-old.B.four-years-olds,C,four- year-old为什么 meet u again in the hospital,but after four years ,u have changed maybe not the same girl ,lovelymeet u again in the hospital,but after four years ,u have changed maybe not the same girl ,lovely happily,kind-hearted,and sweet ,what changed u and u ma in ten years和after ten years 有什么区别, 两年后是after two years还是in two years? There are ( )seasons in two years.A:four B:eight in four years 有四年一次的意思吗? in four years‘ time中的's 所有格还是固定用法? I began to learn English four years(before、after、ago、lafer)（选哪个） Shanghai World Expo will open( ) a ( ) time.A.in,year's B.after,years C.in,years' D.after,years' 英语翻译Does accumulating experience through the years necessarily make programming easier?Bill Gates:No.I think after the first three or four years,it's pretty cast in concrete whether you're a good programmer or not.After a few more years,you m