olympic games 作主语谓语用单数还是复数?

问题描述:

olympic games 作主语谓语用单数还是复数?

如果是泛指“奥运会”,用复数
而具体到哪一届就应该用单数了.
例如:
The Olympic Games are held every four years.
The 29th Olympic Games is going to be held in Beijing in 2008.