The national table tennis team （） hard to win honor for China these years.

题库:邮政储汇业务员考试 类型:最佳选择题 时间:2017-06-30 14:52:56 免费下载:《单项选择》Word试卷

The national table tennis team （） hard to win honor for China these years.
A.work
B.are working
C.has been working
D.has worked

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