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

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

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

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

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

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

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

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

The bomb exploded in the garage; fortunately no one hurt.

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

Sports and festivals form an integral part of every human society.

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

I received housing benefit when I was unemployed.

In the 1960's the upper level of Pennsylvania Station in New York City was torn down and replaced by Madison Square Garden.

The activists were accused of contaminating the minds of our young people.

A.      B. 

C.      D. 

Nobody knows the origin of the Vietnamese long dress. There was no evidence about where and when it appeared.

He drove so fast that I really felt my life was in danger.

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

The new cow boy-film catches the fancy of the children.

She came to the meeting late on purpose so she would miss the introductory speech.

Sorry, I can’t come to your party. I am snowed under with work at the moment.