21. J. K. Rowling’s Harry Porter is_____ world of magic and wonders,_______ world where anything can happen.
A. the; a B. a; the C. a; a D. the; the
22. —What do you think of French?
—In my opinion, French is_____ English.
A. a subject so difficult as B. as difficult a subject as
C. as a subject difficult as D. difficult as subject as
