—____you come with me to Eason's concert?—I'd love to, but I have to study for my math test
-- __ behind the door? --No, they aren't.
--__is that on the desk? --My Chinese book.
Who's the little girl __ a yellow hat?
Look __the map. It's a map __ China.
--What's this? --It's__ backpack. --Where's__ backpack?--It's on the bed.