单选题He looks forward with&nbs

问题补充：

单选题HelooksforwardwithgreatinteresttheShanghaiExpointhesummerholiday.A.to seeB.of seeingC.to seeingD.for seeing

答案：

C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。