◎ 题干
She _______ to go traveling this summer, but some extra work took up all her time. 
[     ]
A. had been planned  
B. has planned  
C. was planned  
D. had planned
◎ 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“She _______ to go traveling this summer, but some extra work took up all her time. [ ]A. had been planned B. has planned C. was planned D. had planned…”主要考查了你对  【过去完成时】  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。