Whose house is it?
It's THEIR house.
Whose robot is it?
It's THEIR robot.
Whose teddy bear is it?
It's HIS teddy bear.
Whose helicopter is it?
It's THEIR helicopter.
Whose kite is it?
It's HER kite.
Whose computer is it?
It's HER computer.
Whose toy box is it?
It's HER toy box.
Whose plane is it?
It's HER plane.
Whose keyboard is it?
It's HER keyboard.
Whose doll is it?
It's HIS doll.
Whose ball is it?
It's HIS ball.
Whose car is it?
It's THEIR car.
Whose ship is it?
It's HER ship.
Whose balloon is it?
It's HIS balloon.
Whose radio is it?
It's HIS radio.
Whose bike is it?
It's HER bike.
Whouse mouse is it?
It's HIS mouse.
Whose board game is it?
It's THEIR board game.