— do you exercise?— Twice a week.
_______ the boy doesn’t do sports every day, he is fat.
My uncle is John Smith. We can call(称呼)him _______.
—Peter’s father is a _______ math teacher.—I think so. He teaches _______.
—Do you know the boy?—_______. He’s Bob’s brother, Bill.
His son is _______ now. Today it’s his _______ birthday.