（A）单项选择：从每小题A、B、C三个选项中，选出能填入空白处的最佳答案。（15分）
( )31. In Australia, the meaning of “G’day!” is _____
A.“Not good!” B.“Hello!” C.“Well done!”
( )32. We are supposed______ waste paper and soft drink cans every day in our school.
A.collect B.collecting C.to collect
( )33. I’d like to walk to the park instead of_______there by bus.
A. going B. to go C. goes
