The nitrogen makes up over 90 percent of the Earth’s atmosphere, the gaseous mass surrounding the planet.

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The little boy felt very........... because his parents did not let him go with them.

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After .............. a week in that place, he decided ...........back immediately.

Chicago’s Sears Tower, now the taller building in the world, rises 1,522 feet from the ground to the top of its antenna.

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The hole in the side indicated that the crate had been________during shipment

In the 1920’s, cinema became an important art form and one of the ten largest industry in the United States.

Despite the disappearance of the Mayan Empire, there are still Mayans in the region that they once inhabited.

You can use non-verbal forms of communication, such as gestures or body languages to get the waiter's    When you are in a restaurant.

Over the past 50 years, many serious illnesses _______under control.

The Dave Brubek Quartet, one of the most popular jazz bands of the 1950s, had a particularly loyal following on campuses college.

Identify the error in each sentence: 

Daisy has such many things to do that she has no time to go out.

The vast majority of the world’s manganese is found in either South Africa but also the countries of the former Canada.

Identify the error in each sentence: Cable (A) television companies (B) reccently announced that (C) it will increase (D) services charges next year.

We are all very sorry that we have to wait for this agreement to come into  .............

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Industrial emissions, together with littering, is causing many problems in our large, industrial cities today. 

So far most a million different species of insects have been identified and named.

In the early days of jet development, jet engines used great numbers of fuel.

The tongue is the principle organ of taste, and is crucial for chewing, swallowed and speaking.

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............................ play badminton?

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There are many ways of ..................  ourselves in a big city.

Until recently, women were forbidden by law owning property.