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
解析:考察冠词。第一空用the特指上海世博会。第二空的success是一个可数名词,意为:成功的人或成功的事。结合句意可知C正确。句意:我们有理由相信上海世博会将是一次成功的世博会。