It is Sunday为什么不是It is a Sunday?Sunday不是名词吗?

It is Sunday为什么不是It is a Sunday?Sunday不是名词吗? （ ）,there is no school.A.It's Sunday B.It was Sunday C.It will be Sunday D.It being Sunday想知道为什么 it is sunday.it is cloudy and . 翻译：it is sunday again 英语语法简单问sb is doing sth 的谓语是什么sb doing sth 的doing 是动名词吗,Sunday as it is today,为什么不是As it is sunday today which day is the first day of a week 为什么回答是It iwhich day is the first day of a week 为什么回答是It is sunday不是It is Mondy what day is it today?it is____ A.Monday B.Sunday C.Saturday 为什么? what day is it today?it is____ A.monday B.sunday C.saturday 为什么? It is sunday tomorrow.为什么不用It will.?可它是将来的. It is Sunday.It is a fine day ____swimming it is sunday today.(就划线提问sunday) It is Sunday today中文意思是什么? It is on a Sunday morning对么 It is Sunday改为一般过去式 it is a fine day last sunday,可不可以换成last sunday is a fine day?如果不能为什么 哪里错了What is it today?It's Sunday It is Monday today and it was Sunday y______. ( ),there is no school.A、it is sunday B、it was sunday C、it will be sunday D、it being sunday