-How long have you been studying in No.2 Middle School? -Les

How long have you been studying English? How long have you been studying? HOW long have you been studying english 怎么回答 How long have you been in China? How long have you been in China 介词及介词短语--How long have you been in this school?--( )two year how long have you been —— this school?为什么不用On 用in? How long have you been for china与How long have you been in c How long have you ever been on our school team? where have you been studying?-I have been in a high school — how long have you been studying为什么后面要加ing "How long have you been