26. ---                  is your favorite movie?

   --- X-Man, of course.

   A. How              B. Who              C. Whose            D. What

27. --- What's                  favorite color?

   ---                  favorite color is green.

   A. his; His         B. his; Her         C. her; His         D. your; Your

28. --- When did this accident happen?

   --- It happened                  six o'clock                  the afternoon of last Monday.

   A. at; in           B. in; on           C. about; at        D. at; on