—What are those? — are their books.
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.
—The sweater is _______ for me, Dad.—Well, let’s buy a big one this afternoon.