usually sometimes always ofen never 它们有什么区别?和具体用法
usually sometimes always ofen never 它们有什么区别?和具体用法
频度副词always/usually/often/sometimes/never的用法区别
频度副词always.usually.often.sometimes.never的用法区别
never ,rarely ,sometimes,often ,usually ,always有何区别?
频度副词always/usually/often/sometimes/never的区别及用法
英语频率副词排序从高到低:once,usually,ofen,sometimes,always,twice,never,
ofen 与sometimes在用法和意义上的区别?
always,usually,often,sometimes用法的区别?急!@
求助sometimes,always,often,usually,的用法和区别,越详细越好,要例子~~
副词always/usually/often/sometimes/seldom/never这些词和什么时态有关
什么时候用never,seldom,sometimes,ofthe,usually和always
always和usually有什么区别