问题补充:
All the athletes competed each other for gold medals in the Olympic Games.
A. against
B. for
C. between
D. over
答案:
(答案→)A. against
B. for
C. between
D. over
解析:考查固定搭配。固定搭配compete against/with sb for sth为了得到sth与某人竞争;句意:在奥运会上所有的运动员都为了得到金牌而相互竞争。故A正确。