The game was so exciting to play that the boy kept his eyes and attention on it ruining

问题补充：

The game was so exciting to play that the boy kept his eyes and attention on it, ruining both a lot.

A. fixing

B. fixed

C. to fix

D. fix

答案：

A. fixing

(答案→)B. fixed

C. to fix

D. fix

解析：短语：fix one’s eyes/attention on。现在“eyes/attention”已经成为“fix”的逻辑主语，它们之间是被动关系，故用过去分词fixed。句意：比赛进行得是那样的激动人心，以至于那个男孩子集中注意力紧盯着看比赛，结果眼睛和注意力都受到很大程度的损伤。