About ________ of the workers in the factory were born in the ________.
This is not my Walkman. It’s _________. Mine is over there.
—_________ model plane is this?—I think it’s Jim’s. Look, his name is on it.
If you _________ your name on the paper, you can get a magazine.
—Which country is the Great Wall in?—It’s in __________.
—Please don’t throw paper on the ground. —_________, I won’t.