Traditionally, college students hold a graduation ceremony to encourage themselves before they _____ on their life journey.
29. A very beautiful scene spreads in front of the mountain, at the foot of which ______.
28. What was unexpected was that the disrespectable fellow ______ the old man.
27. I wonder whether the police ______ that lost child or not
26. Jerry, why ______ you leave your things on the floor like this?
25. When Jack reached the station the train ______ for ten minutes.