They ________several solutions to the problems.A.

They ________several solutions to the problems.A. exploited B. explored C.

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Medical care reform has become this country’s most

Medical care reform has become this country’s most important public health____.

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21. Don’t put too much _____ in what the newspaper

21. Don’t put too much _____ in what the newspaper says. A. certaintyB. ins

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47.White has always been a ________ of purity in W

47.White has always been a ________ of purity in Western cultures.A. symbol

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