Play, often seen as________activity for kids, is still important in______development of teenagers.

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

Play, often seen as _______ activity for kids ,is still important in _____ development of teenagers.

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

Play, often seen as________activity for kids, is still important in______development of teenagers.

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

Play, often seen as____activity for kids, is still important in_________development of teenagers.

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