Who's this?
dad
Who's this?
cousin
Whose book is this?
This is mom's book.
Who's this?
brother
Whose pen is this?
This is grandpa's pen.
Whose ball is this?
This is Tim's ball.
Whose bag is this?
This is Rosy's bag.
Whose kite is this?
This is Rosy's kite.
Who's this?
sister
Who's this?
mom
Whose hat is this?
This is mom's hat.
Whose ice cream is this?
This is Billy's ice cream.
Whose umbrella is this?
This is grandma's umbrella.
Who's this?
grandpa
Who's this?
grandma
Whose pencil is this?
This is dad's pencil.
Whose bag is this?
This is dad's bag.
Whose teddy bear is this?
This is Billy's teddy bear.