how long are you at school?应该怎样回答?

how long are you at school?应该怎样回答? HOW long are you legs How long are you going to arrive in/at?是错的,应是How long are you going to arrive?How long are you going to arrive in/at?是错的,应该是How long are you going to arrive?也就是How long是副词,arrive后不加介词?How long整一个是 How long are you going to arrive in/at?是错的,应该是How long are you going to arrive?也就是How long是副词,arrive后不加介词?How long整一个是不是疑问副词? how long ----------------you -----------(stay)at home How long are you 有什么错 how old,how long,how soon,how often,how far ,how many,how much是疑问副词吗?也就是说How long are you going to arrive in/at?是错的，应该是How long are you going to arrive？也就是arrive后不加介词？ how long did you stay there?能否改为 how long did you stay at there? 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 will you study here (at the school)或者是 how long are you gonna study here?(at the school) 都是对的吗.我在学英文..我要问..你要在这里读多久.. how long do you stay at this factory 为什么不对? how long have you lived at this address的意思? Could you tell me______?About two months.A.when are you leaving for ShanghaiB.how often you go to the school libraryC.how many tickets have you bookedD.how long you have been at this school 求讲解 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?