政治极端分子经常主张激进的变革。

Political ___extremists often advocate for radical changes.

考虑到所有这些严格的规则，我的孩子们似乎注定会成为无政府主义极端分子。

Bearing in mind all these strict rules, my children seem bound to become anarchic ___extremists.

政府正在打击宗教极端分子。

The government is cracking down on religious ___extremists.