他努力学习以赶上他的同班同学。

He studied diligently to ___catch ___up with his classmates.

她努力在项目中赶上她的同事们。

She struggled to ___catch ___up with her colleagues in the project.

为了有效竞争，公司必须不断赶上技术进步。

To compete effectively, companies must constantly ___catch ___up with technological advancements.