a stomachacheРWhat should we do to prevent the illnesses?РAsk and answerРprevent 阻止,预防Р1.prevent sth 阻止/预防某事?2.prevent sb. from doing sth 阻止某人做某事Р你必须阻止他玩电脑游戏。?You must _______him ____________? computer games.РpreventРfrom playingРWhat should we do to prevent the illnesses?РWe had better _________________?____________.РAsk and answerРeat more vegetablesРand fruit.РWhat should we do to prevent the illnesses?РWe should ________________often.РAsk and answerРopen the windowРWe mustn’t _____________________.РWhat should we do to prevent the illnesses?РAsk and answerРkeep fingernails long.РWhat should we do to prevent the illnesses?РWe should do exercise to build us up.РAsk and answerР增强…的体质;使增强体质Р他说游泳可以使他增强体质。?He says swimming can ____________.Рbuild him upРWhat should we do to prevent the flu?
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