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    精英家教网 > 初中英语 > 题目详情

    Computers________process difficult problems very，very quickly．


    1. A.
      must
    2. B.
      need
    3. C.
      should
    4. D.
      can
    D
    分析：must(必须)，need(需要)(作情态动词时不能用在肯定句里)，should(应该)，can(能)在这里可以表示“能力”，句意是“计算机能非常快地处理困难的问题。”表示的是“能力”的概念。
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