The United Nations Security Council plays a crucial role in maintaining world peace and security.

Zero is used to represent absolute zero.

He is in mourning for his father.

He exhausted his strength to finish the work.

The committee approved the new project.

He rubbed his hands together to get warm.

His power is so great that it could destroy the world.

He was ignoring my opinion.

I go shopping at the supermarket every Saturday.

He used a screwdriver to assemble the furniture.