we have every reason to believe that _2010 Would Expo in shanghai will be _successA / a B the / C the a D a a

we have every reason to believe that _2010 Would Expo in shanghai will be _successA / a B the / C the a D a a
we have every reason to believe that _2010 Would Expo in shanghai will be _success
A / a B the / C the a D a a

we have every reason to believe that _2010 Would Expo in shanghai will be _successA / a B the / C the a D a a
选C
2010 Would Expo in shanghai特指2010年上海世博会,用the
success意为“成功”,指上海世博会将是一个很大的成功,此时前面加a