Choose the correct answer to complete the sentence. "Such unhygienic conditions encourage the ______ diseases"

Exercising well is as important to your health as sleep and eating correctly

There has been widespread public opposition against the plan for a new road.

His roommate is not very clever student, but he certainly works very hard indeed

Many birds will, in the normal course of their migrations, flying more than three thousand miles to reach their winter homes.

Choose the correct answer to complete the sentence. "Humans now have to suffer the effects of global warming due to having_____ the environment irresponsibly"

After talking in Copenhagen yesterday, the secretary of state returning to Washington

The amount of books in the Library of Congress is more than 58 million volumes

Ocean currents that help transfer heat from the equator to the poles, thereby creating a more balanced global environment.

Time is of few count in relation to great thoughts that are as vivid today as when they first passed through the author’s minds ages ago

Once the scientist had figured out the precise path of the comet, he is finding that he was able to predict its next appearance.

Mosquitoes will accepts the malaria parasite at only one stage of the parasite’s complex life cycle.

Those who have never been abroad is eager to see how different the other cultures are.

In its pure State, aluminum is a weak metal, but when combined with elements such as copper or magnesium, it is formed alloys of great strength.

The bold way in which Margaret Mead defined the terms “family” – based as much on choice as on biological relationship – is possibly the most enduring of her legacies.

Choose the correct answer to complete the sentence. "They decided to cut down on carbon footprints _____they saw people suffer global warming consequences"

Because of its vast tracts of virtually uninhabited northern forest, Canada has one of the lowest population density in the world

Not everyone believes that ..................technology has improved .................. quality of people's lives. 

I wouldn’t have to take this course if my English ____ better. 

There is a widespread belief that the economical situation will improve.

Humus is formed during soil microorganisms decompose animal and plant material into usable elements by plants