HOW OFTEN WERE THE GAMES HELD IN GREECE

4. - DE KIEM TRA 1 TIET MON TIENG ANH LOP 11 SO 2 TRUONG THPT DOAN THUONG HAI DUONG NAM HOC 2016 2017 CO DAP AN
Tiếng Anh DE KIEM TRA 1 TIET MON TIENG ANH LOP 11 SO 2 TRUONG THPT DOAN THUONG HAI DUONG NAM HOC 2016 2017 CO DAP AN

4. How often were the Games held in Greece ?

A. Every four years. B. Every year C. Every two years D. Every five years