Could you tell us how long we're going to be away?为什么用how long 而不用how soon?

Could you please_____(tell) us a story? Does he enjoy living in china?Could you tell us?Could you tell us____he____living in China? her,could,please,name,us,tell,you ,连词成句 Could you tell us what happened( )this morning? Could you tell us what we should do next?同义句转换Could you tell us______ _________ next? 为什么Could you tell us how long he has been away?和Could you tell us when he left?是同义句? Could you tell me which web can help us study English?Thank you. Where do you live?could you piease tell us.将此句合成宾语从句! could you tell us something about the difference between British English and Does Mr.Brown enjoy living in China?Could you tell us?（改写句子） could you please tell us who jane is waiting for 为什么不是whom Could you tell us how long____?-About three days.怎么看出是将来时态? Does Mr.brown enjoy living in china?could you tell us?(改写句子). does mr.bron enjoy living in china?could you tell us?改为复合句 Could you tell us if it snows in winter in Australia? could you tell us ——about your book?是用anything还是用something? could you tell us some more about him?同意句转换 Could you tell us __ ? A.how to do B.where doing C.what to do