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The excursion is ______ unique opportunity to discover _______ wild in its natural beauty

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The launch of the first liquid-fueled rocket in 1926 _______ by flight historians ______ as significant as the Wright Brothers’ flight

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Only by working hard _______ your goal

We have to apply effective measures to save many plant and animal species _______ extinction. 

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Potassium has a valence of positive one because it usually loses one electron when ___________ with other elements

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Typhoon Damrey has caused extensive damage ____ houses, boats and crops in Vietnam

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:

According to (A) geological discoveries (B) 4.6-billion-years life span of our planet (C) is divided (D) into four time intervals called eras.

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____ being the CEO of Microsoft, Bill Gates is also one of the world’s greatest philanthropists

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Hey, guys! Is there any hotel ________?

Not all men are concerned with _______ physical attractiveness of their girlfriends and wives.

Soldiers often wear ___________so you can’t see them easily

Doctors and pharmacists have to assume _______ for human life. 

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The case ______ to a head when he signed this contract.

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Chocolates and flowers are by far ____ presents for mothers on Mother’s Day in the UK.

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

As a sociable boy, Jack enjoys spending his free time going out with friends.

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 maintenance of these old castles must cost a lot of money.

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We don’t know the person ____________ donated this money.

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A newborn baby can neither walk nor crawl. A newborn tiger, ______, can run within minutes of birth

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

The nominating committee always meet behind closed doors, lest its deliberations become known prematurely.

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It seems to me that he isn’t the right person for the job, _____?

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If the local people ____ the necessary skills to participate in the eco-tourism industry or interact with foreign tourists, the government may provide job training and education