问题补充:
The traffic problems we are looking forward to seeing should have attracted the government’s attention.
A. solving
B. solve
C. solved
D. to solve
答案:
A. solving
B. solve
(答案→)C. solved
D. to solve
解析: 考查固定搭配。See+宾语+宾补,句中see的宾语The traffic problems和宾补solve间是动宾关系,所以要用过去分词solved,表被动。