◎ 题干
These ________to those are twenty--five in all. Do you think that’s enough?
[     ]
A. adding      
B. being added        
C. added          
D. to be added
◎ 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“These ________to those are twenty--five in all. Do you think that’s enough?[ ]A. addingB. being addedC. addedD. to be added…”主要考查了你对  【过去分词】  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。