DO YOU KNOW THE GIRL_____AT THE BACK OF THE CLASSROOM?A SEATED B SEATING C SIT D SAT

问题描述:

DO YOU KNOW THE GIRL_____AT THE BACK OF THE CLASSROOM?A SEATED B SEATING C SIT D SAT
我要详细的原因
为什么不选B C D呢?

选A.这个句子的结构是这样的:do you know the girl (seated at the back of the classroom)?把括号里的内容去掉,这个句子的结构也是完整的,就是说括号里的内容是对the girl的补充描述,进一步详细的指出她的状态.s...