21. Now ______ good many old people are also fond of playing games on ______Internet.
      A. the; 不填        B. a; the        C. the; the       D. a; 不填
22. I am ________ with Mr Wang's ___________ talking ; I can't wait any longer for its end.
   A. boring ; bored      B. boring ; Boring      C. bored ; bored     D. bored ; boring