My brother decided to paint the walls of his bedroom white. (paint a wall)
In ancient China, the officials's houses were always surrounded by a very high brick wall. (a high / low wall)
We can hear our neighbour's TV through the thin walls of our dorm. (a thick / thin wall)
we need to drill some holes in the wall firstly in order to hang some little things. (drill a hole in a wall)
I pushed the desk against the living room wall.(push [a chair] against the wall)
The outside walls of ancient Chinese palaces are usually painted red. (an outside wall)
Posters of rock band stars covered the wall of my dorm. (cover a wall with [pictures/posters])
We hang some pictures of wood on the living room walls. (hang a [painting] on the wall)