◎ 题干
Did you predict that many students _____ up for the dance competition?
A. would sign
B. signed
C. have signed
D. had signed
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Did you predict that many students _____ up for the dance competition? [ ]A. would signB. signed C. have signedD. had signed …”主要考查了你对  【过去将来时】  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。