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

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

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

A.      B. 

C.      D. 

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

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

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

In Benjamin Franklin's almanac, he warns against making hasty decisions.

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

We’ll have to use the restrooms on the next floor because the ones on this floor are not in working condition

During the recession, many small companies were eradicated.

Jan took many snapshots while on vacation in Europe.

The purpose of this survey is to determine students’ attitudes toward love and marriage.

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

It’s a really difficult matter to decide how to solve now. I will need time to think it twice.

It was inevitable that the smaller company should merge with the larger one.

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

The real meaning of the poem was obscured by the pretentious language in which it was written.

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

Ask Mum for permission to go out now. She looks like she’s in a good mood.

He insisted on listening to the entire story.

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