In Those Days可以繁殖以前吗

In Those Days可以繁殖以前吗 In Those Days这个词可以泛指以前吗 In Those Days有没有以前的意思 in those days还是on those days 英语in those days可以表示为过去发生某件事情的时候吗 英语In Those days可以指上初中的时候吗 There were few schools in those days. in those difficult days.为什么要用in啊,不是应该on ...day的吗? has been ill in bed ____ three days .A.in these B.in those C.these D.those为什么不可以选B？ in those days she had to be called two or three times---she would come to her dinner.A before B when C since D that 就解释为以前吗还是有别的意思 为什么“在那些日子”是in those days,而这些日子是these days,不是in these daysThey are busy preparing for the maths test these days.不能写成in these days吗?In those days,the could not go to school.不能写成those days吗 She often came to help us in those days. There were no-------- books in those days.(print) in those days应用什么时态中请附加例句 Do you still remember those days ___we studied in American? he was rich in those days.求通俗的翻译 in those days（当时）为什么day要加s Those old days stories,still existence in my memory