There is __ homework for us to do .It’s ___ to finish it in such a short time.
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.
--Where's Shanghai?--It's __China.
-- __ you bring some things for me? --Yes, I can.