毒品成瘾是当今社会的一大祸害之一。

Drug-adddition is one of today's great social ___evils.

这出戏的主题是善与恶的斗争。

The theme of the play is the battle between good and ___evil.

这不仅仅是善与恶的对抗。

It is not simply [the] confronting of good and ___evil.