31. What are you laughing _____. I don't understand what's funny.
a. of
b. at
c. with
d. with

32. When I looked _____ my watch, I couldn't believe that I was 30 minutes late.
a. for
b. at
c. in
d. on

33. He couldn't speak clearly. So _____ people understood what he said.
a. much
b. many
c. few
d. little

34. She has put on weight (поправилась). So the doctor advised her to eat _____.
a. much
b. less
c. the least
d. more