The flashing beacon of the ambulance cut through the quiet of the night.

This story perfectly follows the structure of introduction, development, turn and conclusion.

He was carrying fruit with a carrying pole.

He is observing stars at the observatory.

The history of the Taiping Heavenly Kingdom is very interesting.

I want to learn about the history of the Taiping Heavenly Kingdom.

An outdoor bath is the best place to relax in nature.

This word is affected by the sound shift.

He went to a new school for changing school.

An astronomical unit represents the average distance from the Earth to the Sun.