◎ 题干
Zhao Benshan,whose overwork  ________  his health failure,is said to have performed in.the Spring Festival Gala on CCTV in 2011.
A.contributed toB.appealed toC.applied toD.owed to
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“ Zhao Benshan,whose overwork ________ his health failure,is said to have performed in.the Spring Festival Gala on CCTV in 2011.A.contributed toB.appealed toC.a…”主要考查了你对  【一般过去时】【一般过去时的被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。