The 1908 Siberian meteorite explosion brought about considerable depletion of the northern hemisphere's ozone layer.

I didn’t go to work this moring. I stayed at home because of the morning rain.

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

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

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

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

Jan took many snapshots while on vacation in Europe.

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

The repeated commercials on TV distract many viewers from watching their favorite programmes.

The famous racehorse Secretariat had to be destroyed because of a painful, incurable hoof disease.

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

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

My parents’ warnings didn’t deter me from choosing the job of my dreams.

I am sure that they will be sacked on the spot.

No vehicle weighing over 3.5 tons is allowed on this bridge, according to traffic signs placed at both ends of the structure.

Hypertension is one of the most widespread and potential dangerous diseases.

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

In the early days of baseball, the game was played by young men of means and social position.

He’s really delighted with his success.

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

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