They put the good ones(in on of)选哪个the wall near the school gate.急需!

They put the good ones(in on of)选哪个the wall near the school gate.急需!
They put the good ones(in on of)选哪个the wall near the school gate.
急需!

They put the good ones(in on of)选哪个the wall near the school gate.急需!
填：on
on the wall 在墙上