Practising Chinese kung fu can not only____ one’s strength, but also develop one’s character. [ ]

The experiment has ________ the possibility of the existence of any life on that planet, but it does notmean there is no life on other planets.[ ]

Taken in by the story the young man________at the railway station，I gave him some money.

____ regular exercise is very important, it’s never a good idea to exercise too close to bedtime.

_________, I always feel I want a few more days.