87．If I had installed the alarm system as you suggested the thief _______(就不会阉进我家了)．

　　88．Increasing concentrations 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)and was 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 see you tomorrow．

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