Cityairisverydirtyso的精选

问题详情：-Cityairisverydirty,soitwouldbewise___youwashyourhairoften.---Iknow,butitisnoteasy____metodothateveryday.A.for,of   B.of,of    C.of,for    D.for,for【回答】C  知识点：介词和介词短语...