How long have you been 为什么加suffering from a headache不用suffer

How long have you been 为什么加suffering from a headache不用suffer How long have you been a teacher I have been suffering from the cancer for tow years 中的suffer How long have you been dancing today?为什么要加been!而T how long have you been —— this school?为什么不用On 用in? For how long have you been away from home How long have you ＿ from university?A graduated B been away A：How long have you been away from your home town?B：Since th "How long have you been how long have you been studying为什么后面要加ing the doctor asked me how long i ___ form headache. A.suffer B how long have you four tthree days A got a headache B fallen