There is______ old map on______ wall.

---Who’s ___________ boy in red, do you know?

   ---Oh. He’s ___________ friend of Tom.

    A. the, a           B. an, the          C. a, the           D. the, an

It is       useless book to children. Put it into         left drawer and never read it.

  A. a; a                                       B. a; the                                       C. an; the                           D. an; a

Frank told us ____ funny story, but he forgot ____ ending himself.

Susan is          American girl. She plays          piano very well.

A．a, the            B．a, /               C．an, the            D．an, /