He bought a new car and is living an ostentatious life.

He is a vain person, so he always wears expensive clothes.

On cold days, earmuffs are necessary.

This area is still undeveloped and rich in nature.

This area is still undeveloped, and nature is abundant.

This sentence is written in the present tense.

I go to school through the gate.

Tennan is my best friend.

My son is attending a karate class.

The look of the sky suddenly turned dark.