He looks forward with great interest the 2010 Shanghai Expo in the summer holiday.
A. to see
B. of seeing
C. to seeing
D. for seeing
网友回答
A. to see
B. of seeing
(答案→)C. to seeing
D. for seeing
解析：考查固定搭配。with great interest是插入语，He looks forward the 2010 Shanghai Expo in the summer holiday，考查look forward to doing结构，所以选C。