◎ 题干
___ a certain doubt among the people as to the practical value of the project.  
[      ]
A. There remains          
B. It has        
C. They have        
D. It remains
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“___ a certain doubt among the people as to the practical value of the project. [ ]A. There remainsB. It has C. They have D. It remains…”主要考查了你对  【日常用语、谚语】  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。