He walks (through / over ) the tunnel.
through
It crawls (down / across) the street.
across
The dog goes (down / over ) the stairs
down
The panda climbed (up / down ) the tree
up
It jumped (across / over ) the fence
over
The ball went (into / across ) the hole.
into
The cat went (into / under) the door
under
He climbs (over/ up) the wall
up
