12．He was admitted to a key university，it made his parents very happy．it改為which．

分析 他被一所重點大學(xué)錄取了，這使他的父母很高興．

解答 He was admitted to a key university，it made his parents very happy．
答案：it改為which 考查句子改錯．前后兩個句子缺少連詞，分析句子結(jié)構(gòu)，這是一個非限制性定語從句，先行詞是前面整個句子，在從句中作主語，用關(guān)系代詞which．

點評 單句改錯涉及詞匯、語法、句型結(jié)構(gòu)等方面的知識和邏輯情理的推斷和綜合辨析能力，是一種在較高層次上考查考生對英語知識的掌握和語言綜合運用能力的測試題型．它是專門針對考生們平時學(xué)習(xí)英語過程中，尤其是寫作練習(xí)中常犯的又是較為普遍的錯誤而設(shè)計的．

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