Choose the correct answer in each sentence.

Mr. Hughes broke up the staff into small discussion group to improve _____________   in meetings.

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Portsmouth's agricultural industry has always found ways to ___________   itself by growing different crops and finding new markets.

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For more than 10 years, the Vietnamese government has pursued the open-door _______ and continued to attract foreign investment.

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A certificate of ____________   was given to the participants in the public speaking skills course.

We didn’t buy ________flowers yesterday. 

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I've always got .............well with old people.

 I had to ask the boys .......................... ................................. billiards all the day.

Choose the best answer among A, B, C or D that best completes each sentence:   The government has ...........…. guidelines on the treatment of the mentally ill.

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During the flood, army helicopters came and tried to evacuate ……………….. injured.

: ______university in the country would like to have such ______ wellknown academic on its staff. 

None of the serious ideas submitted at the end of each month is ..............

 They told_______ there was nothing to be afraid of. 

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The CEO held a press conference to -------- for the negative health effects caused by her company's product.

The old astronomer patiently made his ____ and wrote down what he saw.

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Can you ……….. the children from school since you’re going out?

One's fingerprints are _______ other person.

Ursa Major Corp. has. .............negotiated a deal with a Russian competitor in surveying the Kamchatka Peninsula.

The judge ____ the murderer to a lifetime imprisonment.

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The manufacturer's Web site cautions that glass with certain coatings may not fuse  ______________  with other glass.

Since she’s running late for ------- meeting downtown, Ms. Joyce will have to catch a taxi.

Alaska, ............  my brother lives, is the largest state in the United States.