【简介】感谢网友“雕龙文库”参与投稿，这里小编给大家分享一些，方便大家学习。
87，The university authorities did not approve the regulation,____: and they didnt explain the reasons, either.
88，Jane is tired of dealing with customer complaints and wishes that she_____：could be assigned to do another job.
89，John rescued the drowning child_____: at the risk of his own life.
