He likes      music so that I think it right to buy him     Mp3 as      birthday present.

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

He likes ________ music so much that I think it right to buy him ________ MP3 as ________ birthday present．

1. A.
   the;an;a
2. B.
   不填;an;the
3. C.
   不填;an;a
4. D.
   the;a;a

He likes       music so much that I think it right to buy him     MP3 as        birthday present.

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