We have every reason to believe that Beijing Olympic Games will be success. A. 不填;

问题补充：

We have every reason to believe that Beijing Olympic Games will be success.

A. 不填; a

B. the; 不填

C. the; a

D. a; a

答案：

A. 不填; a

B. the; 不填

(答案→)C. the; a

D. a; a

解析：第一空填定冠词，表特指; 第二空填不定冠词，a success的本义是“一件成功的事情”，它在此指“一次成功的运动会”。