Question

The Olympic Games are held ______.

1. A.
   for four years
2. B.
   each four year
3. C.
   every four years
4. D.
   every fourth year

Answer 1

C
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。