how long have you been in china中为什么要用have呢?
how long have you been in china中为什么要用have呢?
How long have you been living in China?为什么要用been,living是延续性动
How long have you been in China?
How long have you been in China
How long have you been for china与How long have you been in c
How long have you live in China
how long have you been like this中为什么用been
How long have you been a m___ of Greener China?
How long have you been in the China?这句话有语法错误吗?
how long have you been in China?——Since last Wednesday 啥意思
how long have you been —— this school?为什么不用On 用in?
"How long have you been