他公开声明与那个组织断绝关系。

He publicly ___renounced all ties with that organization.

他公开宣布放弃暴力，选择和平解决问题。

He publicly ___renounced violence and chose to solve problems peacefully.

他宣布放弃继承权，以便追求自己的事业。

He ___renounced his inheritance rights to pursue his own career.

他公开宣布放弃了自己的贵族头衔。

He publicly ___renounced his noble title.