狼以群体狩猎，称为狼群。

___Wolves hunt in groups known as packs.

我们能听到狼在远处嚎叫。

We could hear ___wolves howling in the distance.

我们还没反应过来，尼克就扑到了狼身上，它们开始打斗。

Before we knew it, Nick leapt onto the ___wolf and they started to fight.