This region has been suffering from famine for a long time.

How long is the duration of this project?

I forgot to buy toothpaste.

He started to feel nauseous.

He had been working overseas for an extended period of time.

The mechanization of agriculture is progressing.

We decided to mechanize the factory.

Kouke is my best friend.

The exhaust pipe of my car has broken.

He is good at geometry.