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。