—Listen! Someone is singing in the next room. Who ____ it be? Is it Li Wei?—No, it ______ be her. She is at school now.
You’d better _______ too much meat. You are much too fat.
My father’s ________are my brothers.
—________under the desk? -No, they aren’t.
— Tom’s mother is Jenny White. We call her ______ .
— Is this your watch? --- ______. It’s his watch.