on sunday与on sundays有什么区别?

on sunday与on sundays有什么区别? On sunday /on sundays 的区别 英语 on sunday 和 on sundays 有什么区别啊? on Sunday和on Sundays有什么不同? On sundays what do you usually do on sundays用next sunday代替on sundays Liu Ying plays basketall on Sundays(用next Sunday代替on Sundays) Lily play basketball on Sundays.(用next Sunday代替on Sundays) Lily is( )( )play basketball nextSunday Liu Ying plays basketball on Sundays．(用next Sunday代替on Sundays) 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? They go to the movies on Sundays.(用last Sunday 替换on Sunday 改写句子） What do they often do on Sundays?Sundays可以改成Sunday 吗?为什么? on sundays 还是 in sundays I often go to the park on( )A.a Sunday B.Sunday C.Sundays I often go to park on ( )A.a Sunday B.Sunday C.Sundays on Saturday and Sunday和on Saturdays and Sundays的区别 We often go to the park on Sundays.()you often()to the park on Sunday? He usually does exercise on Sundays?(改为一般疑问句） he usually exercise on Sunday.