have left和have been away有什么联系和区别?
have left和have been away有什么联系和区别?
have been away 和 has/have left
could have been 和may have been 有什么区别?
have been to 和 have been in 和have been on有什么区别
请问一下have been to和have been in和have been at有什么区别?
had been away和had left这两句有什么区别吗
have been 和 have arrived用法上有什么区别
have gone和have been going 有什么区别啊?
have been to 和have gone to 有什么区别
请问have collected 和have been collecting 有什么区别
have worked 和 have been working有什么区别
have been和have gone有什么区别?