(How long ago) is it that you last saw her?为啥不可以用HOW LONG BEFORE?区别?

How long is it? (How long ago) is it that you last saw her?为啥不可以用HOW LONG BEFORE?区别? A long time ago if we How will love itA long time ago if we How will love it The last time that the long Tianchang Warmth in your palm No need to imagine After my long lonely stray A long time ago if we How will love it There is no doubt love as fait How long is it?同义句 How long is it 中文怎么读 HOW long is it's taii how long it takes 和how hurt it is 用since、for或ago填空.1.How long is it () you wrote to your sister?.用since、for或ago填空.1.How long is it () you wrote to your sister?2.How long () did you write to your sister?3.Jim has been working in Asia () he left England. how long is 可以指时间吗 也可以指距离吗 可以问it is how long吗?能问how long it how long it how long dose it和how long does it的区别说错了 how long dose it和how long is it的区别 No one knows exactly how the earth began,as it happened so long ago.怎么翻译 ___from Beijing to ParisA.How long way it is B.What a long way is it C.How long way is it D.What a way it is How long ago did you start school? 请翻译一下句子how,long,is,it How long the river is it'怎么用英语翻译 How long is it since your father_____an engineer?（become） how long is it since you went to the seaside? how long way it is 这个句子对不对,为什么?