How long are you collecting it?这句话对吗?

HOW long are you legs How long are you 有什么错 How long are you staying 为什么用are和staying. How long are you staying 与How long do you stay的区别? Long time no news from you,how are you How long are you staying?和 How long will you stay there有什么区别?我可以说How long are you staying there long time no see how are you?翻译 Long time no see,how are you now? long time no see how are you?中文何解 . How long are you going for?这里的go for hi,baby,long time no contact,and how are you? how,long,you,are,there,staying.组成一句话 -How long are you staying in singapore?-()about a week How long are you staying in Tabet for a how long are you away from school every day?翻译 how long are you at school?应该怎样回答? how long are you legs改单数句 How long are you collecting it?这句话对吗?