◎ 题干
It is necessary to be prepared for a job interview.               the answers ready will be of great help. 
[     ]
A. To have had    
B. Having had  
C. Have          
D. Having
◎ 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“It is necessary to be prepared for a job interview. the answers ready will be of great help.[ ]A. To have hadB. Having hadC. HaveD. Having…”主要考查了你对  【动名词的完成式】  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。