◎ 题干
When _____, the museum will be open to the public next year.
[     ]
A. completed
B. completing
C. being completed
D. to be completed
◎ 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“When _____, the museum will be open to the public next year. [ ]A. completed B. completing C. being completed D. to be completed …”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。