at weekend与at weekends有什么区别

如何区分at weekend 与 on weekend at weekend与at weekends有什么区别 I waited for my good friend at the bus stop last weekend对my good friend提问_____ _____ you _____ _____ for at the bus stop last weeken? at the weekend造句 at the weekend同义词 At weekend 作文 At weekend 作文 on weekends与at the weekend意思相同吗 on the weekend or at the weekend at weekends和at the weekend 区别 At weekend和at the weekend有区别吗?同上. 英语中的at the weekend与on the weekend有什么区别?快来帮我! 我们说 on weekend ,at weekend,还是in the weekend 英语中at the weekend与at the weekends有什么区别? 一下短语有什么用法区别?At weekend.On weekend.At the weekend.On the weekend. on与at的区别What do you usually do on the weekend?和What do you usually do at the weekend?ON与AT的区别 at the weekends和at the weekend和at weekend和at weekends有什么区别 at the weekends,at weekends,at the weekend,at weekend 怎么区别?