II. 单项填空（每题1分，共10分）
21. ______ with the size of the whole earth, the biggest ocean doesn’t seem big at all.
A. compare B. when comparing
C. comparing D. when compared
22.Helen had to shout ________ above the sound of the music.
A. making herself hear B. to make herself hear
C. making herself heard D. to make herself heard
23.TV has many advantages. It keeps us ______ about the ______ news and also provides entertainment in the house.
A. informed; latest B. to know; later
C. learning; latter D. to think; latest
24.It’s said in Australia there is more land than the government knows __________.
A. it what to do with B. what to do it with
C. what to do with it D. to do what with it
