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

Choose the correct answer to complete the sentence. "Deforestation is one of the _____ environmental threats to the ecological balance in the world"

............. winter is usually cold, but .................. winter of this year is warm. 

Conservation organizations help for to preserve the ecology of an area by keeping track of endangered species.

The oxygen in the air we breathe has no tasted, smell, and color.

During his speech in Congress, the President stressed the importance of good education for the well-being of generation to come

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Air water and soil are necessary things to our _________.

In the 1970’s consumer activities succeeded in promoting laws that set safety standards for automobiles, children’s clothing, and a widely range of household products.

The word "increase” is closest in meaning to ____.

When you passed the town hall clock, did you notice what time was it

If the world's tropical forests continue to disappear at their present rate, many animal species ____________ extinct. 

Sue bought a CD player last week and she’s been listening to music ever since then

Karen hasn’t decided still if she wants to run for the Presidency again this year.

Choose the correct answer to complete the sentence. "These companies were accused of having released a ____ amount of carbon dioxide into the atmosphere."

Choose the best option:

The Earth is one of the ___ in the solar system.

Choose the correct answer to complete the sentence.  "In the polluted environment, _______ diseases can be passed easily from one person to another"

Without the life-jackets, most passengers _____ drowned in that accident.

I did not realize that I had left my umbrella on the bus when it started to rain.

In 1950 , it was naively predicted that eight or ten computer would be sufficient to handle all of the scientific and business needs in the United States.

A dancing is the oldest and liveliest of the arts.

As the marathon runner reached the half-way mark, he, being hot and was soaked with perspiration, stopped to rub himself down with a towel.