用副词successfully ,
例如:The 2010 Expo is successfully held in Shanghai.
一般而言,修饰动词的应该用副词。
但是不要把联系动词后作表语用的形容词写成副词。
successfully , 主动语态和被动语态因题意而异,翻译合理即可
successfully
比如我举个例子
第29届奥运会成功在北京举办。
The 29th Olympic Games are successfully held in Beijing.
successfully