日日人人_亚洲美女在线视频_av手机在线播放_国产大片aaa_欧美中文日韩_午夜理伦三级

The Olympic Games are held ____________.

A. every four year                B. every fourth years

C. every four years                D. each fourth years

The Olympic Games are held ____________.

A. every four year                  B. every fourth years     

C. every four years                D. each fourth years

The Olympic Games are held_________

A. each four years                           B. every fourth years

C. every four years                           D. every four year

The Olympic Games are held ________.

A. each four years

B. every fourth year

C. every four years

D. each fourth years