After ten years spent trying（）to become the number-one west coast service provider, the corporation finally succeeded.
 

题库:邮政储汇业务员考试 类型:最佳选择题 时间:2017-06-30 14:49:23 免费下载:《单项选择题》Word试卷

After ten years spent trying（）to become the number-one west coast service provider, the corporation finally succeeded.
 

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