Hwo many times have you been to China?In fact,it is the first time( )here.
问题描述:
Hwo many times have you been to China?In fact,it is the first time( )here.
was am had been have been
答
选have been
因为问的是;你去来中国几次?答:事实上是第一次来这.用完成时问的 就用完成时回答