他正在复习笔记，为下周的考试做准备。

He is ___prepping for next week's exam by reviewing his notes.

老师们正在为下周的考试做准备。

The teachers are busy with exam ___prepping for next week's test.

许多人开始为可能的自然灾害做准备，囤积罐头食品和急救用品。

Many people started ___prepping for potential natural disasters by stocking up on canned food and first aid supplies.