Police are all around the streets to prevent the terrorists from making attacks．题目和参考答案——青夏教育精英家教网—

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20．Police are all around the streets to prevent （阻止） the terrorists from making attacks．

分析警察都在街上防止恐怖分子进行攻击．

解答答案：prevent，由动词不定式to可知后使用动词原形prevent，句子包含短语prevent…from doing sth．"防止…免受…"，动词不定式在句子中充当目的状语．

点评对于翻译填空这种题，要分析句子意思，再从结构上和意义上对答案进行确定．

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