英语初级问题.Last year it came into use为什么不用had came into use这是过去完

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/17 00:10:02

英语初级问题.
Last year it came into use
为什么不用had came into use
这是过去完成时嘛!

had came into use是过去完成时,就是表示过去的过去.
Last year表示的是一般过去,并没有体现过去的过去.
换个例子：
Before i ate an apple,my sister had eaten a banana.这句中,“我吃苹果”发生在过去,“我妹妹吃了一根香蕉”发生在“我吃苹果”之前,也就是发生在过去的过去,所以用过去完成时.

英语初级问题.Last year it came into use为什么不用had came into use这是过去完 Last year,however,it came into use. Last year, however, it came into use. 书上的翻译是“然而去年机场开始使用了”这句后 That is ____paper came into use in China. 翻译The word came into use many years ago. 16.That is ___ paper came into use in China.应选什么?为什么? 单句英语详解Do you know "the cat' paw" came into use? 启用的英语是 come into use? 英语翻译How Stamps Came into Use?When you send a letter or a pos He saw a man come into the outer office.为什么不用came into? came into的同义词 came into 怎么翻译 ,