◎ 题干
All the task          ahead of time, they decided to go on holiday for a week.
[       ]
A. had been finished      
B. were finished  
C. having been finished  
D. been finished
◎ 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“All the taskahead of time, they decided to go on holiday for a week.[ ]A. had been finishedB. were finished C. having been finishedD. been finished…”主要考查了你对  【现在分词的被动式】【现在分词的完成式】  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。