2．Barack Obama has taken personal blame ____ the security failures which led ____ the attempt to blow up a plane on Christmas Day．（　　）
A．of； toB．for； toC．on； onD．in； on

分析 安保措施失靈導致了圣誕節(jié)有人企圖炸毀一架飛機，奧巴馬總統(tǒng)已經(jīng)為此承擔了個人責任．

解答 答案：B 介詞搭配，take blame for sth為某事承擔責任；lead to+名詞，導致某種結(jié)果．故選B．

點評 介詞用法靈活，搭配較多．學習時要注意積累，對常考的搭配結(jié)構(gòu)要注意掌握．

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