the past few years great___great changes in modern science and technology in ChinaA.witnessB.have witnessedC.witnessedD.had witnessed

in the past few years in the past few years造句 in the past few years 过去完成时 in the last few years 现在完成时 in the past 一般过去时 in the past few years和in the last few years的区别, My life has changed a lot during the _____ years.A past a few B past few C a few past D few past There( ) great changes in Shanghai in the past few years. in the past few years 用什么时态? in the last / past few years的用法 over the past few years 用什么时态 shanghai _______ (change) a lot in the past few years in the past in the past few years in the last 30 years 各用什么时态? In the past (a few;few)years,great changes have taken place in my gometown. in the past few By+现在时间 by+过去时间 in the past few years in the last few years 各是什么时态? in the past few years和in the last few years有什么区别,分别用什么时态?in the past few years用现在完成时还是过去完成时?in the past 又是什么呢? There have been great changes in my hometown in the past few years.同义句转换最好把in the past few years也改成一个同义词 In the past few years thereIn the past few years there _____ great chages in my hometown.A. have been B. were C. had been D. are shanghai has changed a lot in the past few years句意相同__ __have taken place in the past few years