题目

It was in the factory _________ his friend worked  _______ he picked up a lot of experience.   A. where, where      B. that, where    C. that, that      D. where, that 答案：D 解析: 本题考查强调句式，被强调部分作地点状语，且the factory后是一定语从句，我们应注意强调句式和其他句式的混合使用。

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