Whose plane is it?
It's his plane.
Tom
It's Tom's ice cream.
Whose rulers are these? (their)
They are their rulers.
Lily
It's Lily's camera.
Whose mouse is this? (his)
It's his mouse.
Whose helicopter is this?
It's her helicopter.
Whose robot is it?
It's his robot.
Lucy
It's Lucy's teddy.
Whose computer is this?
It's her computer.
Whose balls are these?
They are their balls.
Max
It's Max's kite.
Mr Stark
It's Mr Stark's car.
Whose kites are these?
They are their kites.
Whose house is it?
It's her toy house.
Tom
It's Tom's bag.
Alex
It's Alex's dog.
Whose keyboard is this?
It's her keyboard.
Hugo
It's Hugo's balloon.
Jack
It's Jack's bike.
Whose radio is this?
It's his radio.
Whose car it this?
It's their car.
Whose ball is it?
It's his ball.
Whose balloons are these?
They are his balloons.
Sue
It's Sue's book.
Daisy
It's Daisy's phone.
Whose doll is it?
It's her doll.
Grace
It's Grace's cat.