Choose the best answer (选择最恰当的答案): (共26分)
31. ---At what age do __________ start school in your country?
    ---They usually begin school at the age of six.
    A. adults            B. boys         C. children        D. girls
32. When I saw __________ later, she changed a lot.
    A. her              B. hers         C. him            D. his
33. Our class held an English evening party __________ New Year’s Eve.
    A. at                B. on             C. to                D. in
34. I borrowed a lot of books from the library, but I read only _______ of them because I had ______ time.
    A. a few, a few      B. few; little       C. little; little         D. a few; little 
35. Chinese people believe that on Mid-autumn Day, the moon is _______ and _______ than usual.
    A. big, round                B. biggest, roundest    
    C. bigger, rounder        D. the biggest, the roundest