He looks forward with great interest the Shanghai Expo in the summer holiday.A. to se

问题补充：

He looks forward with great interest the Shanghai Expo in the summer holiday.

A. to see

B. of seeing

C. to seeing

D. for seeing

答案：

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 Shanghai Expo in the summer holiday，考查look forward­­­ to doing结构，所以选C。