The autumn wind blows, and the leaves fall.

His behavior is considered ugly.

The ugliness of his heart became apparent.

My friend lives in Pennsylvania.

Please adjust the frequency of this radio.

The monk offered prayers every day at the temple.

They fortified the fortress in preparation for the enemy's invasion.

The enemy's army invaded our country.

He is deepening his research on eschatology.

This story is progressing towards the end.