Asweknow,everyfouryearsathletesfromallovertheworldcomp...

問題詳情：

 As we know, every four years athletes from all over the world compete ____ medals in the Olympic Games.

A. against                  B. for                           C. with                         D. as  

【回答】

B

知識點：介詞

題型：選擇題