This is/are Sasa's teddy bear.
is
These are/is Tony's robots.
are
These/This is Linh's doll.
This
This/These is Vy's tablet.
This
This is/are Nhiên's bike.
is
This/These are Henry's books.
These
That/Those is Huy's guitar.
That
This is/are Vinh's chess board.
is
This is/are Toàn's skateboard.
is
That/Those is Quỳnh's kite.
That
This/These is Vy's camera.
This
Those/That are Anh's markers.
Those
Those/That are Nhiên's balls.
Those
These is/are MY ANH'S pencils.
are
These/This are Bảo's building bricks.
These