I need to pay my income tax by the end of the month.

I received a letter from her yesterday.

The origin of the universe is still a mystery.

English is my favorite language.

The genetic makeup of an individual plays a vital role in determining their susceptibility to certain diseases.

The baby smiled at me.

The company made an adjustment to resolve the conflict between the two departments.

The corporate sector plays a vital role in the economy.

She is a twin.

Good morning, everyone. Let's say 'hello' to start the day.