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

Fallout from a nuclear power station damaged in the tsunami may endanger the vegetation.

As tourism is more developed, people worry about the damage to the flora and fauna of the island.

In my experience, freshmen today are different from those I knew 25 years ago.

Around 150 B.C. the Greek astronomer Hipparchus developed a system to classify stars according to brightness.

John stayed at home from work yesterday because he was feeling under the weather.

You can make a good living in sales if you have the right attitude and strategies.

Peter didn’t mean to be disrespectful to his teacher. He just couldn’t control his temper.

Adverse reviews in the New York press may greatly change the prospects of a new Broadway production.

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 shop assistant was totally bewildered by the customer’s behavior.

Whenver problems come up, we discuss them frankly and find solutions quickly.

If petrol price go up any more, I shall have to use a bicycle.

A multitude of people attended the fund-raising presentation in the mall.

In the United States, a party can nominate a single candidate for office.

Professor Berg was very interested in the diversity of cultures all over the world.

I received housing benefit when I was unemployed.

He made one last futile effort to convince her and left home.

The ages of the two children put together was equivalent to that of their father.

We watched as the plane disappeared behind the clouds.

With respect to maneuverability, few birds can equal the capabilities of the hummingbird, which hovers for long periods and even flies backward.