根据背诵原文写出所缺单词补全句意。
As the man came near, the prisoner knocked him to the ground with a            blow.
This will relieve pressure on the trains to some            .
A great many former            will be attending a farewell dinner in his honor next Thursday.
Only one or two people have               that the students will drive too fast!
I took one               , lit it and smoked with satisfaction.