问题补充：
, athletes from all over the world compete the Olympic Games the honor of winning.
A. Every fourth year; in; for
B. Every four year; in; for
C. Every fourth years; against; in
D. Every four years; for; in
答案：
(答案→)A. Every fourth year; in; for
B. Every four year; in; for
C. Every fourth years; against; in
D. Every four years; for; in
解析：句意：每四年，来自于全世界的运动员为了赢得荣誉在奥运会中竞争。每四年，正确的表达是every four years或是every fourth year，compete in在……中竞争，为了……，用for，选A。
