two years and a half 还是two year and a halfyear后没有没有s啊?

two years and a half=two and a half years吗? - years ago ,I came to the USA.Two and a half Two and half a Two a half Half and two two years and a half 还是two year and a halfyear后没有没有s啊? our teacher has been teaching in this school for( ) a.two year and a half b.two and a half year c.two years and a half d.two and a half years These children have been studying English for _____. A.two years and a half B.two and a half year C.two and half year D.two and half years We have stayed at this school for _____.Which of the following choices is wrongA.two and a half years B.two years and half a yearC.two years and half a year D.both A and B two years and a half 改为同义句— — — — years How long have you lived here,liease?For about________.A.two and a half year B.two and a half yearsC.two year and a half D.two years and half I’ve lived here for about _______.A. two and a half year B. two and a half yearsC. two year and a half D. two years and half选什么,为什么? Four years old at home,Two and a Half in Buses and Trains短文翻译 My parents spent two and a half years building our house要翻译 Why is the boy four years old at home but two and a half on buses? I am four years old at home,and two and a half in a bus and a train. 1：Miss Gao will stay in Nanning for about ______( )A:three months and a half B:three month and a half C:three and a half month D:three months and half2：He's been a soldier for nearly ______( )A:half and two years B:two and half yearC:two years an three years and half a year My brother has been a soldier since two years and a half.(划线提问）My brother has been a soldier （since two years and a half.这部分划线提问）） Two And A Half Men中文翻译 I,ve been a student there for nearly two and ()half years 括号里填a?为什