87，The university authorities did not approve the regulation,____(也沒(méi)有解釋為什么)

88，Jane is tired of dealing with customer complaints and wishesthat she_____(能被分配做另一項(xiàng)工作)

89，John rescued the drowning child_____(冒著自己生命危險(xiǎn))

didn’t explain the reasons either

be assigned to do another job

the risk of his own life