The lion is laying _ the bed.
in
The snake is crawling _ the jungle.
in
The pig is surfing _ the wave.
on
The fish is swimming _ the water.
in
The bird is eating _ the tree.
on
The cat is sitting __ the car.
in
The mouse is whistling_ the boat.
on
The squirrel is sniffing _ the North pole.
in
The dog is sleeping _ the house.
on
The turtle is running _ the beach.
on