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    精英家教网 > 初中英语 > 题目详情
    Mr. Wang made up his mind to devote all he could _____ his oral English before going abroad.

    A. improve
    B. to improve
    C. improving
    D. to improving
    B
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    科目：初中英语 来源：河北省模拟题 题型：单选题

    Mr. Wang made up his mind to devote all he could _____ his oral English before going abroad.
    [     ]
    A. improve
    B. to improve
    C. improving
    D. to improving

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