21. I am not sure whether China will win ________ most medals in the 2008 Beijing Olympic Games. But it is certain that the world will have ________ better understanding of China afterwards.

A. the;/           B. /;the                C. the; the             D. the; a

22. -----Pardon, sir?

   ------ I __________ you         to me carefully. Actually, I said at the top of my voice.

       A. suppose; didn¡¯t listen                            B. supposed; were not listening

       C. suppose; were not listening                     D. supposed; hadn¡¯t listened