Whose bike is it?
This is his bike.
Whose unmbrella is it?
This is his umbrella.
Whose bag is it?
This is her bag.
Whose phone is it?
This is her phone.
Whose ball is it?
This is her ball.
Whose horse is it?
This is her horse..
Whose dog is it?
This is his dog..
Whose car is it?
This is her car..
Whose cat is it?
This is her cat.
Whose hat is it?
This is his hat.