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________is a branch of Natural Science, and is the study of living organisms and how they interact with their environment

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Employees are under constant pressure to _____________ deadlines.

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He was accused of helping to carry out a deathly bomb attack on a fashionable Paris restaurant.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions:

The tour of the palace included a visit to the old kitchen where they were baking bread and the huge underground wine cellar which was containing thousands of bottles and felt like a prisoner.

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Scientists have put forward ______ causes to explain the mass extinction of the dinosaurs

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions:

The sales clerk was totally bewildered by the customer’s behavior.

Have you got a light? My cigarette has gone ______ .

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He ________________ trying after the worst failures and succeeded in the end

Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:

Grover Cleveland was the only (A) American president served (B) two nonconsecutive (C) terms (D).

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Some of the passengers looked green around the gills after the trip! Their faces turned pale

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I will contact you ______.

If they had searched more carefully, they ________ the watch sooner.

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Banking is a respected ___________

It all happened so quickly, one minute I was making chips and the next the whole kitchen was ____ fire! 

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Don’t make up your mind at once; ________it over with your lawyer first

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They had_________powder, so they could not make cakes

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They _______ ahead regardless of the public objections.

I would be very surprised if he ___________.

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions:

Primary education in the United States is compulsory.

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Whenever we plan to go on a picnic, it ______ rains.

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He laughs best who laughs ________.