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If this kind of fish becomes ____, the future generations may never taste it at all

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Everyone wants to reduce pollution. But the pollution (30) _____ is as complicated as it is serious. It is complicated because much pollution is caused by things that benefit people. (31) _____, exhaust from automobiles causes a large percentage of air pollution. But the automobile provides transportation for millions of people. Factories discharge much of the material that pollutes the air and water but factories give (32) _____ to a large number of people. Thus, to end or greatly reduce pollution immediately, people would have to (33) _____ using many things that benefit them. Most of the people do not want to do that, of course. But pollution can be gradually reduced in several ways. Scientists and engineers can work to find ways to lessen the amount of pollution that such things as automobiles and factories cause. Governments can pass and enforce laws (34) _____ require businesses and traffic to stop, or to cut down on certain polluting activities

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It took weeks, but my nasty cough has finally gone ___________

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My profession allows me to both satisfy my own curiosity about the world and also to _______ some measure of international understanding

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Today we ______________ electricity for granted and perhaps we do not realize just how useful this discovery has been.

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The forests are our ________ natural resources

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The two men _______ when they were trying to shoplift a brand-new pair of glasses

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He dropped out __________ school a month before graduation

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My mother told me to carry a very _______ suitcase for my first field trip

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Eating right and exercising are essential to ____ a healthy lifestyle

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Tea loses its flavor quickly …………………… in the hold of a vessel.

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I don't expect a lot of people to turn ________ at this event because it's on a Tuesday night

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Her excuse for not doing her homework was _______, so the teacher didn’t punish her

Tuan and I________ badminton in the yard.

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A style of art can go out of fashion and then ..... into favour fifty years later

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Patrick accepted an associate position at Harrison & Associates as it offers flexible working hours and ------- health benefits

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They are tired now because they _______ in the field since early morning

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Mary told her dog to _______down

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The law requires that everyone …… his car checked at least once a month

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If I__________the same problem you had as a child, I might not have succeed in life as well as you have

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_________ so upset!