Earthquakes frequently occur in this area due to the fault line.

Our generation should seriously tackle environmental issues.

He must come.

Whether trains will operate or not will depend on the condition of the snow.

During summer vacation, I will go to the beach.

While he was taking a nap, I finished my homework.

He took a little pause before speaking.

This area is at high risk of earthquakes because it is close to an active fault.

What does that mean?

His behavior is truly regrettable.