three months before May 5th.这里不可以用ago,Ago 只可以用在three days ago 这种语境中,还不能是以现在为基础,讲述过去的事情的时候用.She told me three days ago that she met her boyfriend five days before.这里面,before表示这五天在那三天之前.
three months before May 5th.这里不可以用ago,Ago 只可以用在three days ago 这种语境中,还不能是以现在为基础,讲述过去的事情的时候用.She told me three days ago that she met her boyfriend five days before.这里面,before表示这五天在那三天之前.