overture|overtures

歌剧开始前，乐团演奏了一段优美的序曲。

The orchestra performed a beautiful ___overture before the opera began.

音乐会以莫扎特的歌剧序曲开始。

The concert began with Mozart's ___overtures to his famous operas.

政府向反对派提出了和平谈判的初步建议。

The government extended a peaceful ___overture to the opposition for negotiations.