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

I’m becoming increasingly absent-minded. Last week, I locked myself out of my house twice.

An international medical conference initiated by Davison resulted in the birth of the League of Red Cross Societies in 1991.

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

Our parents join hands to give us a nice house and a happy home.

Now I understand why you moved out of that house.

“It’s no use talking to me about metaphysics. It’s a closed book to me.”

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

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

I didn’t think his the comments were very appropriate at the time.

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

Reaching 35 and obviously aging, Jane has to make up her mind on her future very soon.

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

He insisted on listening to the entire story.

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

Primary education in the United States is compulsory

If desired, garnish your plate with parsley, bell pepper rings or other vegetables.

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

The use of lasers in surgery has become relatively commonplace in recent years.

The situation seems to be changing minute by minute.

How many countries took part in the last Olympic Games?