87．If I had installedthe alarm system as you suggested the thief _______(就不会阉进我家了)．
88．Increasingconcentrations of greenhouse gases________(可能会加快气候变化的速度)．
89．At the medical conference___(他对于自己研究的领域感到很自信)andwas able to perform well in his presentation．
90.The manager would rather his daughter__(不在同一个办公室内工作)．
91. _____(如果不出意外)，I will seeyou tomorrow．

模拟试题：2012年12月英语四级考试预测试题及答案汇总

真题答案：2012年6月英语四级考试真题　答案

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