There is a window_____the wall.A.in B.on C.of D.at
问题描述：
There is a window_____the wall.A.in B.on C.of D.at
答
选A
in
in the wall可以理解为窗户是“镶嵌“在墙里的.
on the wall表示什么东西挂在墙上.
There is a picture on the wall.
墙上有幅画.