His dream is to become a champion in mixed martial arts.

She is respected as the first lady of the country.

My heart was healed by the beautiful scenery of Nara.

Learning Modern English is important for smooth international communication.

He wrote a sentence using a pronoun.

My grandfather was born in the 1900's.

Abstract algebra is a branch of mathematics that studies algebraic structures.

Abstract algebra is a field of mathematics that studies algebraic structures in an abstract way.

I am studying Modern English.

They used Euclid's algorithm to find the greatest common divisor.