He is hiding a secret.

Each class conducts lessons in their respective classrooms.

The center of that table is sunken.

He boxed his younger brother's ears for his mischief.

In physics, the study of the 'nucleus' at the center of an atom is important.

This book is my favorite.

The farmer was harvesting rice in the paddy field.

My house is in this quarter of the city.

This room is divided by a wall.

She personifies nature and treats it like a friend.