I'm afraid your dad can’t join us for lunch.He_______ a speech on Chinese art to the first-year students in the hall.
_______ 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.