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Mr.Wangmadeuphismindtodevoteallhecould

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问题详情:

Mr.Wangmadeuphismindtodevoteallhecould

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

【回答】

D

知识点:分词

题型:选择题

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