His new yatch is certainly an ostentatious display of his wealth.

The twins look so much alike that no one can tell them apart.

When being interviewed, you should concentrate on what the interviewer is saying or asking you.

If people’s interference with the environment decreases, more species will survive and produce offspring.

In times of war, the Red Cross is dedicated to reducing the sufferings of wounded soldiers, civilians, and prisoners of war.

Mobile libraries brings books to children in many small communities. These libraries travel from towns to towns in cars, vans, or trucks.

The aircraft carrier is indispensable in naval operations against sea or shore based enemies.

The education system is a mirror that reflects the culture.

The whole village was wiped out in the bombing raids.

In the 1776 pamphlet "Common Sense," Thomas Paine defended the cause of the American Revolution.

He was fired because of his misconduct at the office party.

I told her I understood what she was feeling as we were both after all in the same boat.

In the twentieth century, drug markedly improved health throughout the world.

He was asked to account for his presence at the scene of crime.

Now I understand why you moved out of that house.

Relaxation therapy teaches one not to fret over small problems.

The government is not prepared to tolerate this situation any longer.

The first few days at university can be very daunting, but with determination and positive attitude, freshmen will soon fit in with the new environment.

The sales of drugs is controlled by law in most of countries.

The augmentation in the population has created a fuel shortage.

Studies of climatology indicate that volcanic dust in the atmosphere may contribute to the onset of ice ages.