75.The patient began uttering some nonsense all of a sudden.
76.她把一些香蒲的根放入滚水中.
77.He was still reluctant to turn off the TV though the time for sleep was already past.
注意关电视,不用close,而应是：turn/switch off
最后一句的表达不是最好,可否：
It was already 30 minutes（任何具体时间） after his scheduled sleep time,but he was still reluctant to turn off the TV.