.. Shanghai celebrates ______ one year countdown to the opening of ____ 2010 World Expo on May 1,2009.
Taiwan is ____ the east of Fujian.
He went to Nanjing ___ October, 2008.
Information technology is taught in most schools, ________ we have entered the information society.
My aunt has worked in a clinic ____2008.
My father is leaving ___ Shanghai tomorrow.