21. The story of ________ American South will be one of hope and success with some signs that ________ new, different South is coming out of its dark past.
   A. the; a             B. an; a             C. 不填; a    D. an; the
22. --Hi, King, I heard you went to see the parrots instead of traveling to Calgary yesterday.
    --Yes, I did. You see, I'm ________ a bird watcher than a traveler.
     A. less             B. more             C. better              D. worse