Choose the corect answer to complete. " It isn't ____ for my brother to take charge of the financial burden on my family."

The_________of life forms on the earth makes zoology an interesting area of study.

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In few 1800’s store owners sold everything from a needle to plow, trust everyone, and never took inventory

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Engines used in space shuttles are much larger and more strong than ones used in 

Choose the corect answer to complete. "It is unnecessary for ____ to do this task. It's not ours."

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

I suggest that Peter ____ the directions carefully before assembling the bicycle.

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The discover of gold and silver in the rugged mountains of Nevada in 1858 attracted many fortune-seekers to my area.

To assure the safely of those workers who may handle radioactive materials, employers should not leave them enter contaminated areas without protective clothing.

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The builders of variety ancient cliff ruins scattered throughout the canyons and mesas of the arid southern of the United States are known as the cliff dwellers

Choose the correct answer to complete the sentence. " Ba reviewed the lessons carefully. He could finish the test very _______"

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Stars derive their energy from thermonuclear reactions that take place our heat interiors.

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The harder he tried, the worst he danced before of the large audience.

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The ethics is branch of philosophy that deals with values of life in a coherent, systematic, and science manner

Choose the best answer to complete each unfinished sentence, substitutes the underlined part.

Friends advised her to stop (A) doing (B ) the housework (C) because (D) her old age.

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He has less friends in his class now than he had since last year .

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Although apples do not grow during the cold season, apple trees must have such season in order to flourish.

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Nomadic hunter and gatherer societies can access to only a limited amount of food in an area and moved on when they have exhausted each locality.

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The homes created by  legendary architect Frank Lloyd Wright are still viewed as uniquely, innovative, and unvaluable.

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A calorie is the quantity of heat required to rise one gallon of water and degree centigrade at one atmospheric pressure.

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After George had returned to own house, he was reading a book.

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Recently in the automobile industry, multinational companies have developed where such few cars can be described as having been made entirely in one country