as用法口语it’s been a long time since I have heard anyone as good.为什么用as,可以用is么?有什么不同?

as用法口语it’s been a long time since I have heard anyone as good.为什么用as,可以用is么?有什么不同? 口语中的it's been 帮忙翻译口语：I've been put through a wringer when it's all over 有半句话不太明白so the courses are OK as much,it's just that had it been left to you ,you would have chosen a different one.这里的it's just that had it been left to you 中的had 怎么提前了 还有been left to you 是什么用法 It's been a while It's been a long it's been a long If you describe something as unseen,you mean that it has not been seen for a long time“as unseen”的语法解释与用法 i think it's been a long time since i've heard anyone is good since在这里是什么用法? It'S Been A While 歌词 it's been a good life It'S Been A Year 歌词 How's you been?It's been two months.这两句话正确吗?been的具体用法是? How's you been?It's been two months.这两句话正确吗?been的具体用法是? as can be中as的用法原句It's loud as can be I think it's been a long time since I've heard anyone as good.语法讲解 翻译美国口语“it's as plane as the nose on the face It's been snowing for 3 days and it's quite cold these days ____ November.A.as B.at C.for D.toWhy