Is this Lucy's harp? No, it's ....
mine
Whose is this triangle? Oh, it's ....
theirs
Is this Mrs Brown's tambourine? No, it's .....
yours
Is this my CD??? Yes, it's .........
yours
It's your guitar
It's yours
It's my car
It's mine
They're our dogs
They're ours
They're John's books
Tey're his
Are they our books? No, they're .....
hers
Is this Tom's bag? Yes, it's ...
his
It's Daisy's hat.
It's hers
It's Daisy and John's cat.
It's theirs