As long as there have been mice,people have sought a better

来源：学生作业帮编辑：搜搜做题作业网作业帮分类：英语作业时间：2024/07/14 15:48:13

As long as there have been mice,people have sought a better mousetrap.这句话不懂.
As long as there have been mice,people have sought a better mousetrap.这句话为什么用现在完成时?

只要这里已经有老鼠了,人们就会寻找更好的扑鼠器
have been 完成时,表示一直,已经

As long as there have been mice,people have sought a better As long as you have better than how long have there been mice in your attic? 高二完形填空 For as long as I can remember ,I have been very bad a have you been working as a clerk 英语翻译Salespeople have long been recognized as primary sources I love you as long as I have a beath. I think tomorrow will be better As long as you have to work As Long As I Have You 歌词 As long as I have you as long as l have you Baby I am willing to wait as long as you have been happy to