• 2021-04-14
    We must prevent the trouble ______ spreading
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      If therepeace, we must try in every way to prevent war. A: is to be B: will be C: should be D: is going to be

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      We must preserve our natural resources. A: prevent B: protest C: reserve D: save

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      We must do our best to ( ) the pollution of the environment. A: hinder B: invade C: prevent D: help

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      According to the author, to prevent the country from falling back, _________. A: we must revive morality and the spirit of devotion B: we should decrease the use of cars C: we must fight against lawbreaking behavior D: we should defend our ideals wholeheartedly

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      In no case ________ the students from exploring new ideas. A: we should prevent B: we could prevent C: should we prevent D: shouldn’t prevent