◎ 题干
.It was in the 1990s _______ we were working together ____ we made friends with each other.
A.that; when B.when; that C.that; that D.when; when
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“.It was in the 1990s _______ we were working together ____ we made friends with each other.A.that; when B.when; thatC.that; that D.when; when…”主要考查了你对  【强调句】  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。