◎ 题干
Seventy percent of the students _____ taken part in the work and seventy percent of the work _____
been finished.
[      ]
A. has, has  
B. had , had  
C. has, have    
D. have, has
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Seventy percent of the students _____ taken part in the work and seventy percent of the work _____been finished. [ ]A. has, has B. had , had C. has, have D.…”主要考查了你对  【主谓一致】  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。