◎ 题干
After hospitals buy expensive equipment, they must try to ________ the money they have spent.
A.recover B.reduce
C.remove D.receive
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“ After hospitals buy expensive equipment, they must try to ________ the money they have spent. A.recoverB.reduceC.removeD.receive…”主要考查了你对  【将来完成时】【将来完成时的被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。