every sunday和on sundays有什么重要的区别,是不是都指每个星期日

every sunday和on sundays有什么重要的区别,是不是都指每个星期日 This sunday 和 on sunday的区别 在每个星期天用英语怎么说是on every Sunday 还是 in every Sunday 为什么they go shopping every sunday 中 sunday 前用every而不是用in或on I often watch football matches on TV every Sunday. i writeto my mother every week ,-------(主要）on sunday. Every park is crowded on Sunday为什么不用each on sudays和 on sunday的区别 On Sunday morning和In Sunday morning哪个对 this sunday和on sunday都要用什么时态 on Sunday Every is sunday 和love ocean is long long on sudays和 on sunday的区别we have no claases on （sunday)为什么这里用sunday而不是sundays? 英语 have classes every Sunday,have classes on Sun英语 have classes every Sunday,have classes on Sundays 这两种说法对吗 every sunday morning是什么意思 英语 on sunday 和 on sundays 有什么区别啊? on Sunday和on Sundays有什么不同? on a sunday和on Sunday 什么区别啊?用的时候有啥区别急