fall ill和be ill什么区别?

fall ill和be ill什么区别? fall ill和fell ill的区别 fall ill = be ill feel ill / fall il l /be ill的用法区别（今天晚上的作业,快啊）feel ill / fall ill /be ill的用法区别 fall ill与feel ill区别 用fall ill-be ill（短暂性动词）造句 辨析 fall/come/get ill与be/fell ill fall ill 和be ill 的区别 Mary _ill since she left her hometown last winter.承上面 选项为 A.fell B.has fallen C.was D.has been选什么,为什么 ill和sick区别 ill 和sick有什么区别 bei careful not to fall ill这句话是对么be careful not to fall ill 用fall ill 造句 ill illness 有什么区别? ill和sick怎样区别 ill和sick的区别? ill和illness的区别 求教!Be careful not to fall ill． be seriously ill seriously ill 分别什么词be seriously ill seriously ill 分别什么词性.为什么可以这样用