Fill in the Blanks with "They're" or "It's"

Fill in the blanks
Whose pants are these? OJ’s pants.
Whose sweatshirt is this? her sweatshirt.
Whose slippers are these? Oak’s slippers.
Whose sweater is this? Cherry’s sweater.
Whose pajamas are these? her pajamas.
Whose shorts are these? her shorts.
Whose skirt is this? Wat’s skirt.
Whose blouse is this? Farmhouses’ blouse.
Whose shirt is this? his shirt.
Whose jeans are these? his jeans.