you have been in Neijiang very long?Yeah _____my parents cam

you have been in Neijiang very long? How long have you been in China? long have you been in this city? How long have you been in China How long have you been for china与How long have you been in c "Have you been in force.i bear you a long i have to look you in cam How long have you been in class today?怎么翻译? --how long have you been here in sydney?--____last wednesday how long have you been in love with your boss? ---How long have you been in the class today?-----_________. how long were you in japan how long have you been in japan?h