His eyeballs are blue and beautiful.

He said 'thank you'.

By conducting this experiment, we will verify our hypothesis.

He is studying late into the night to learn a new computer language.

Learning Modern English is important for smooth international communication.

He is interested in the study of constructed languages.

Nuclear fission is a powerful phenomenon that generates energy.

He remained silent and didn't say anything.

He was promoted to Admiral of the Fleet.

I am planning to go to Copenhagen next week.