It's twenty minutes' walk 为什么不用twenty-minute?

It's twenty minutes' walk 为什么不用twenty-minute? It’s a Baker Road,about twenty minutes from downtown. It's about twenty minutes ' walk to the park 同义句It______you about twenty minutes _____ ______to the park. how far is it?it's a twenty minutes' walk from here.a twenty minutes' walk 这句中为什么会有a ,minutes' 为什么要有s‘, How far is it?________.A.It’s twenty miles.B.It’s twenty –minutes mile.C.It’s twenty minutes ride.D.It’s twenty minute ride. Our school is a bit far from here .It's about( )A.twenty minutes's walk B.twenty minute's walk C.twenty minutes walk D.twenty minutes' walk It's( )walk from my home to our school A.twenty B.twenty minutes C.twenties minutes D.twenty-minute选什么?为什么选? _____ is it from here to the station? It's only twenty minutes' walk. 翻译：How far is it from here to your school?it's about twenty minutes'walk How _____ will it take me toget there It's about twenty minutes' walk （1）How far is it from the hospital to the station?It‘s _____walk.A、twentyminutes' B、twenty minutes’s C、twenty——minutes D、twenty minutes It's about twenty minutes' walk from here .保持原意改写句子_________about twenty minutes___________there from here__________. is your office far from here.No,it's just ()ride括号里应填twenty minutes';twenty-minute应该选哪个? 问一个句子 英语口语It would strike twelve in twenty minutes' time.minutes' time?“'”我主要问的是 s It's only___ twenty minutes' ride from here to ____stone company.请问填什么冠词! It's twenty minutes' walk from my home to the schoolIt ( )twenty minutes ( )( )from my home to the school 每空一词 —How far is it from your home to school?—It’s about twenty ______ walk.A.minute’s B.minutes’ C.minutes选什么，为什么？ Excuse me,where is the museum?It's over there,near the cinema._____It's about twenty minutes'walk.