The moonlight went in __ the window(across ,past through,by的一个)

问题描述:

The moonlight went in __ the window(across ,past through,by的一个)

past through

across

只用through 就行了
across一般是平行越过某平面,如路面

我是死记硬背的,是through,具体原因可以查查语法书。

through空间内部的穿过透过