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We should focus ____ the conservation of vulnerable species at risk of disappearing.

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The most powerful force in a teenager's life is probably ......................... pressure

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------ can be done to revise your order, since the merchandise has already shipped.

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By this time next summer, you _______ your studies.

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:

Genes have several alternative form, or alleles, which are produced by mutations.

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It's a shame the candidate allowed himself to __________ the handle like that during the debate, since it undermines a lot of the really solid arguments he'd been making up to that point.

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I've been looking for a new stereo system for my car, and this is just the _________

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There is a mandatory meeting today for everyone involved in managing or recruiting________

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Mr Nick...............books while his wife was cooking

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Don't bother me while I .....................the exercise

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When the wind began to blow harder and the sky darkened, the ____________ of a storm approaching was relatively great

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For questions about your hotel reservation, please telephone ------- booking department at 555-0109

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The local clubs are ____________ every effort to interest more young people

In the last hundred years, traveling _______ much easier and more comfortable.

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The Central Bank _________ in the currency markets today to try to stabilize the exchange rate

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I.....................my old friends at the airport tonight

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Consumer advocates advise against blindly accepting ------- opinions about a product

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The goal of the committee was to  evaluate the company's bylaws and offer  ----- for improvement

Mr. Brown is bored with doing the _______________ chores.

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The public health infrastructure of this country is poorly prepared for the emerging disease problems of a rapidly changing world.

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He said that Ha and his friend______married______