到底是on weekends还是at weekends比如：It's quiet there_________weekends.

到底是on weekends还是at weekends比如：It's quiet there_________weekends. 是“at the weekends还是“at weekends? ①在周末该怎么说?是at weekends还是on weekends还是at the w①在周末该怎么说?是at weekends还是on weekends还是at the weekend还是on the weekend.怎么区分?②还有在工作日怎么说? on weekends=at the weekends吗?或是on weekends=at the weekend还是on weekends=at weekends 在周末英语怎么说是on weekends还是at weekends.在工作日是on weekdays吗? 是in weekends 还是on weekends? 是on the weekends还是at she weekends详细和为什么 在周末他想去看电影用英语怎么说 (不是过去式)在周末是on weekends还是on the weekends还是at weekends 有on the weekends吗一般好像听过on weekends和on the weekend是________the weekends呢?at? at weekends和on weekends的区别 I usually get up at 6:00 am on w( ),but late on weekends 英语中是in the morning on weekends 还是on the morning on the weekends? on weekends、at the weekends、at weekends、on the weekends有什么区别 初中英语介词（ ）weekends 是in还是at（ ）the evening of August 8th 2008,是in 还是on还是at ) weekends ,we often go to the zoo with parents.A.in B.at c.for d.on到底选B还是D? the morning of the weekends 用on,in还是at 快点回答为什么用on on weekends 中 weekends 是指几天? 是in the weekends还是on the weekends我不确定,但是要写作文.麻烦帮帮忙.