The Olympic Games are held .A. for four yearsB. each four year C. every four yearsD. every

问题补充：

The Olympic Games are held .

A. for four years

B. each four year

C. every four years

D. every fourth year

答案：

A. for four years

B. each four year

(答案→)C. every four years

D. every fourth year

解析：考查固定短语。句意“奥运会每四年举办一次。”every+数字+years意为“每几年”；every other+数字+years意为“每隔几年”。故选C。