I want to go to the national art museum.

He has studied abroad in Russia.

Brazil is known as one of the emerging countries.

He felt labored breathing and immediately contacted a doctor.

The teacher wrote the problem on the blackboard.

He is the hero of our village.

This lemon is sour, isn't it?

I saw a little egret in the park.

America is one of the big countries in the world.

I am planning to go to Thailand next week.