Great changes have taken place___.A in the past thirty yearsB for thirty years哪个对,为什么

来源：学生作业帮助网 编辑：作业帮 时间：2024/11/26 19:40:22
Great changes have taken place___.A in the past thirty yearsB for thirty years哪个对,为什么
xJ@_e@6ڍE%4bUM`WA4>9t+xwb6d|3PHLV%eFgL9ZbBa4G*2ʌ(GE"j5Oo`wnvG|{֥c&Q#+" 04wC,h=gװiqu {?˞cxG>8 MkTT*g?[El4'xm:l{pkDjhh4f[ Gq+y3a+E88 0٩<.ɽ51cKGc>*ڇg .@LmxHEi`4<\7@0#1Hmzݸ\OOӤ6~]H%jqAo">Ϋ =d%( \}q

Great changes have taken place___.A in the past thirty yearsB for thirty years哪个对,为什么
Great changes have taken place___.A in the past thirty yearsB for thirty years
哪个对,为什么

Great changes have taken place___.A in the past thirty yearsB for thirty years哪个对,为什么
A
take place发生时短暂性动词,不能和表示一段的时间连用.

B 前面用得是过去完成时，要用介词for的短语

A 现在完成时嘛
B是段时间 前面要带个进行时 比如 have been doing

A 对。
在过去的30年内，巨大的改变已经发生了。

A对
在过去的三十年里发生了巨大的变化。for表示的是延续的一段时间

a
在过去的30年发生了很大的的变化
b为时间段，若用b前边应为 Have been taking palce

Great changes have taken place since liberation Great changes have taken place there. There have been great changes in computers(同义句）Great changes have __ __in computers great changes Great changes Great changes have taken place in my hometown since 1930.请问句子中的Great changes是什么意思? great changes take place since liberation 和 Great changes have taken place since liberation的区别 There have been great changes in Sunshine Town. 同义：Great changes have___ ___in Sunshine Town. there have been great changes为什么用have been Great changes have taken place in Shanghai's transportation.翻译? Great changes have taken place in our city r____ Great changes have taken place in our hometown的翻译 Great changes have taken place in my hometown _____ (recent). great changes have taken place there there 怎么放在后面 There have been great changes,so everything looks s__ here there have been great changes in computers什么意思 there have been great changes in my hometown_________(resent) great changes have taken place over the past fifty years.