Which preposition is most suitable in the sentence, ‘His height and reach give him a big advantage ______ (= make him better than) other boxers.’? A. of B. over C. to

中国大学MOOC: Though there were examples showing that several boxers in their 40’s were still winning world championships, he decided to retire from the______ at 34.

The boxing competition was to______. A: train them to be professional boxers B: teach tem to follow rules C: give them some physical exercise D: cultivate their sense of competition