用across,over,between,off,along,in,on,into,out of 或under填空

用across,over,between,off,along,in,on,into,out of 或under填空
The aeroplane is flying________the village.
The ship is going______the bridge.
The boy is swimming_______the river.
Two cats are running_________the wall.
My books are________the shelf.
The bottle of milk is_________the refrigerator.
The boy is jumping________the branch.
Mary is sitting__________her mother and her father.
It's 9 o' clock. The children are going_______class.
It's 4 o' clock. The children are coming________class.