For how long have you been away from home

For how long have you been away from home A：How long have you been away from your home town?B：Since th How long have you ＿ from university?A graduated B been away How long have been away from your t_____ How long have been away from your t( 填空 have been away home还是have been away from home? How long have you been away there这句话对吗 How long have you been for china与How long have you been in c "How long have you been How long have you been to ShangHai?For a year. How long have you been looking for a job? For how long have you been using Skype?