Whose laptop is this?
It's mine.
Whose phone is this?
It's yours.
Whose laptop is this?
It's hers
Whose books are these?
They are theirs.
Whose car is this?
It's mine.
Whose pen is this?
It's mine.
Whose book is this?
It's yours.
Whose papers are these?
They are ours.
Whose pen is this?
It's hers.
Whose pen is this?
It's his.
Whose car is this?
It's his.
Whose markers are these?
They are theirs.