It took a long time to set up the development environment.

The destruction caused by this earthquake was immense.

This area is facing a major environmental problem due to mining damage caused by long-term mining activities.

He has been working as a doctor in this town for many years.

I haven't seen him for a long time.

He has been working as a doctor in this town for many years.

He accepted my proposal and started the project.

I take classes every day.

He owns a big house.

He is working in a mine.