His lie was exposed by himself.

His lie was exposed.

We crossed the lake in a small boat.

We need to revise the new law.

He is studying the history of the Roman Empire.

This levee was built to prevent flooding.

He calculated the length of the sides of the triangle using the Pythagorean theorem.

I eat the set meal at this restaurant every day.

The ceremony at the imperial court was very solemn.

Various types of shrubs are planted in this park.