twice a week"a"能不能用each、every或one代替?为什么?

twice a weeka能不能用each、every或one代替?为什么? Twice a week. Twice times a week. once a week和twice a week she exerction twice a week对twice a week twice a week 和twice week 有神马区别? She exerise twice a week 对 twice 提问 My brother watches TV twice a week 对twice 提问 once or twice a week 中文意思 goes,skating,she,a,twice,week造句 once or twice a week 造句 he watches tv twice a week中文 ( )do you go shopping?-------Twice a week. 用often.twice a week.but造句 用 twice orthree times a week. 提问 Twice a week的用法,急... ( )( ) do you ( ) the dishes?Twice a week they eat junk food twice a week .