had been away和had left这两句有什么区别吗
had been away和had left这两句有什么区别吗
have been 和had been 什么区别
had gone和had been 有什么区别?
had done 和 had been done有什么区别啊?
had been和have been有什么区别?请举例
has been和had been 有什么区别?
had left=had been away from.为什么要加from?
was doing、had been doing和had been done都有什么区别?
had been 和 Having been 区别?
had been invited 和were invited有什么区别?
had been doing 和had been done有什么差别
had been doing 和had been done有什么差别?