◎ 题干
____  a certain doubt among the people as  to the practical value of the project.    
[     ]
A. It has                            
B. They have    
C. It remains                      
D. There remains
◎ 答案
查看答案
◎ 解析
查看解析
◎ 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. It hasB. They haveC. It remainsD. There 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。