President Bush grimly warned it will take America years to recover from Hurricane Katrina, but vowed yesterday__________________(船只、士兵、医疗必需品、食物和饮料用水已经在送往灾区的路上，这只是联邦政府对这次灾难做出反应的大规模救援计划的开始).
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President Bush grimly warned it will take America years to ......