◎ 题干
It was April 29, 2011 ______ Prince William and Kate Middleton walked into the palace hall of the
wedding ceremony.

[     ]

A. that
B. when
C. since
D. before
◎ 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“按要求写单词。1. ducks (单数) ____________ 2. sheep (复数) ____________3. same (反义词) ____________ 4. wing (复数) ____________5. cow (复数) ____________…”主要考查了你对  【关系副词】【限制性定语从句】  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。