Look,there are many beautiful cars . A,on play B,on show

问题描述:

Look,there are many beautiful cars . A,on play B,on show
我觉得两个都对,但答案上选A,为啥

on play 是在动态下,即,有很多车在比赛,在表演.
on show 是在静态下,即车展.
句首的 look(快瞧,快看) 提示,这是一个动态过程.