miss gao visits her friends at the weekends(对at the weekend提

at weekends和at the weekend 区别 He often visits his friends at weekends（.对 visits his friend Helen often visits the farm (at the weekends).对括号内提问 at the weekends,at weekends,at the weekend,at weekend 怎么区别? at the weekends和at the weekend和at weekend和at weekends有什么区别 Peter often visits his website （at the weekend）.(对划线句子提问,画线句 Gao Shan does some washing at the weekends.(否定句) on weekends=at the weekends吗?或是on weekends=at the weekend还是o 区别at the weekends,on the weekend,at weekends,on weekends 我要北 at the weekend 和at weekends有什么区别? at the weekends,at weekends哪个是对的? 是in the weekend还是at the weekends