Four billion people all over the world watch the 2004 Olypic Games.(改为被动句）
问题描述：
Four billion people all over the world watch the 2004 Olypic Games.(改为被动句）
Four billion people all over the world watch the 2004 Olypic Games.
请把这个句子改成被动句
答
The 2004 Olypic Games has been watched by four billion people all over the world