2. 外语
  3. They failed to ______ the directors that their proposals would work, therefore all of their work is just a waste of time and eff

They failed to ______ the directors that their proposals would work, therefore all of their work is just a waste of time and eff

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问题 They failed to ______ the directors that their proposals would work, therefore all of their work is just a waste of time and effort.
选项 A、convince
B、confirm
C、convert
D、control
答案A
解析 题意是：他们没能______领导者其计划行得通，所以他们所有的工作都不过是浪费时间和精力。[A]convince“使确信，说服”，convince sb that...“使某人确信…”，符合题意。[B]confirm"证实，确认”，[C]convert“转变”，[D]control“控制”都不符合题意。
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大学英语四级

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