We have every reason to believe that World Expo in Shanghai will be success.A. /; a

问题补充：

We have every reason to believe that World Expo in Shanghai will be success.

A. /; a

B. the; /

C. the; a

D. a; a

答案：

A. /; a

B. the; /

(答案→)C. the; a

D. a; a

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