Alice, is this your pen? I need one to write down the name of the book. — No, it isn’t . ________ is over there on the desk.
Do you ____ a ping-pong ball? —Yes, I do. And my brother _____ a soccer ball.
Mr. Wu teaches English very well.
Do you often watch Man and Nature on TV? –Sometimes. It’s an interesting program, but I______ Sports News.
is she? —She’s a nurse.