Choose a, b, c, or d that best completes each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one.

Everyone should act ………… in order to protect our environment.

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

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Hoover Dam in Nevada is a multi purpose structure that provides flood control, hydro powerful, and drink and irrigation water.

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If you can make a five-days trip across the Atlantic Ocean, your ship enters a different zone everyday.

Choose the corect answer to complete.  " It's ____ for me to submit the project on time as it's really difficult."

The hotel is _________ the river. 

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The amount of students attend class dwindled until only two remained.

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The mutualism is a relationship between animal species which in both benefit  .

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There is a hostel at the bottom of canyon where we can stay there .

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

I think you ____ do exercise regularly in order to keep your body in good shape.

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Researchers of economics, psychology, and marketing can help businesses.

That floor doesn’t need no more wax; there’is plenty already .

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In late 1840, Joseph Henry made important discovery of electromagnetism.

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The basic elements of opinion research are interviewers, questionnaires, tabulating equipment, and to sample population

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At the Library of Congress, located in the nation’s capital, houses history documents and photographs as well as most books published.

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Unfortunately, much the early history of Zimbabwe is still unknown, for example, we kno little about the early patterns settlements.

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The duty of  policeman is the maintains of the law and order.

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The fragrant leaves of the laurel plant to sell commercially as bay leaves and are used as seasoning foods.

My mother go_______the garden to plant a tree. 

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Floods and earthquakes and other natural disaster happen all over the world, causing death and material damage.

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Harry lastly appeared in the role of King Lear at the Nationally Theatre.