The Paleogene period was a very important time in the history of the Earth.

I have been to Outer Mongolia.

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

That man-child is still living in his parents' house.

He is called a 'kid's room uncle', and is alienated from society.

I reserved a single room.

We booked a double room.

She used to be a prostitute, but now she has started a new life.

Will you marry me?

"Do you want to have a meal? Take a bath? Or choose me?" she said jokingly.