on the weekend ,on Mondays,on the Monday 这些时间短语都用在现在时当中吗?那么on the Monday,on the Tuesday 为什么要用the连接?特指 ,又应用在什么时候?可用在一般现在时中吗?如:I go to school by bus on the Monday

on the weekend or at the weekend on weekends以及on the weekend 区别 () the weekend in or on? 一下短语有什么用法区别?At weekend.On weekend.At the weekend.On the weekend. 我们说 on weekend ,at weekend,还是in the weekend 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? 是on weekday还是on the weekday是on the weekend 还是on weekend急 at weekend,on weekend,at the weekend ,on the weekend和on weekends的区别?尽量详细些... on the weekend 和over the weekend的区别 over the weekend与on the weekend的区别! at the weekend 和 on the weekend的区别 应该用on the weekend 还是 in the weekend? 是 in the weekend 还是 on thr weekend 如题. on the weekend和at weekend用法一样吗? what do you do on the weekend what do you do on the weekend? What do you do on the weekend? Amy is going to( )( )on the weekend