狼以被称为狼群的群体狩猎。

A ___wolf hunts in groups known as packs.

我们能听到远处有狼在嚎叫。

We could hear a ___wolf howling in the distance.

我们还没反应过来，尼克就扑向那只狼，他们开始打斗。

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