My homework is not finished yet.

He is interested in the history of the past.

This old house is the one where my grandparents lived.

This old building tells the history of our town.

Madagascar is a country rich in nature.

She loves murder mysteries and plays them with her friends almost every week.

This is part of my collection, especially the Arabian cowry is rare.

I want to go to Mongolia.

The depressed cowry lives quietly at the bottom of the sea.

I am planning to go to Inner Mongolia, an autonomous region of China, next week.