on the weekend/ in the weekend/ at the weekend.三个短语怎么区别?

() the weekend in or on? 我们说 on weekend ,at weekend,还是in the weekend 应该用on the weekend 还是 in the weekend? 是 in the weekend 还是 on thr weekend 如题. in the weekend on the weekend over the weekend unin the weekendon the weekendover the weekendunder the weekend那个对? on the weekend/ in the weekend/ at the weekend.三个短语怎么区别? on the weekend or at the weekend on the team ,on the weekend 和英式英语 in the team,at the weekend 的区别. on the weekday还是on weakday at还是in the weekend 还有以上的weekend weekday 用加s么 Mr wang spend the weekend in the country as he ____to the office on SundayA.needn't have gone B.must n't C.may n't to go D.didn't have to go 一下短语有什么用法区别?At weekend.On weekend.At the weekend.On the weekend. he is going to stay at home for the weekendfor the weekend--为什么用for,能不能用on,in?for the weekend--改成“on weekend”或on the weekend语法对吗？ 英语老师来啊on weekends on the weekend at weekends at the weekend in weekends in the weekendin weekdays in the weekday in weekday on weekdays on the weekday on weekday at weekendsat weekday at weekdays 关于on weekend和on the weekend的问题是on weekend还是on the weekend,还是两者都可以? on weekends以及on the weekend 区别 there are always a lot of s___ in the shopping mall on the weekend my mother often goes s _____ in the supermarket on the weekend根据首字母完成句子 on the weekend 和over the weekend的区别