下课时，老师让我们分成小组进行讨论。

At the end of the class, the teacher asked us to ___divide into small discussion groups.

历史上，这条河将这座城市划分为两个不同的区域。

Historically, the river ___divided the city into two distinct regions.

为了这个项目，我们班被分成了两个小组。

For the project, our class was ___divided into two teams.