If I had known that you couldn’t eat eel, I ____ bought it. 

In the United States, the leading butter-producing states which are Wisconsin, California, and Minnesota.

Million of people lost their jobs in the 90’s. This, in turn, caused social dissatisfaction with the political leaders who had promised jobs and prosperity.

Mutualism is a relationship between animal species which in both benefit.

However types of raw materials are used in making paper, the process is essentially the same.

Unlike wood, paper, and fabric which tendency to disintegrate after being buried for many years, ceramics and glassware although easily broken, survive well in the ground.

Chocolate is prepared by a complexity process of cleaning, blending and roasting cocoa beans, which must be ground and mixed with sugar.

................ swimming is .................. good sport. 

This floor doesn’t need no more wax; there’s plenty already.

The number of students attend the class dwindled until only two remained.

Choose the correct answer to complete the sentence. "It's possible that by the end of the 21st century, the rainforest will have _______ disappeared"

When he arrived at the furniture shop, they had been sold the table he wanted.

Choose the correct answer to complete the sentence. "We must _____ that people are heavily polluting the environment."

Among the problems facing the national park's manager, the most serious ones are those of ...... and expansion.

Any group that conducting its meeting using parliamentary rules will encounter situations where prescribed procedures cannot be applied.

Pictures of the surface of the planet Venus was received yesterday from the space probe “Explorer”, which was launched last year.

He looked like he had been in some strange land where age advanced at a double pace.

In the sixteenth century, Francois Vieta, a French mathematician, used the vowels “a”, “e”, “i”, “o”, “u” to represent a unknown numbe

When a pearl is cut in half and examined under a microscope, but its layers can be seen.

Thanks to his obstinacy, he achieved what he wanted. If he were discouraged earlier by this failures, he would not have reached his aims.

Many small islands in the Indian Ocean are threatened by raising sea levels.