If you play with electricity，you may get an electric________.

Everybody thinks little of the film．In fact，there is no__ of it being tried out in the film festival．

The _______ that someday he would succeed cheered him through many disappointments.

 David had prepared carefully for the exam so that he could pass it at his first ________.

----Must I do well in all the subjects, Mum?----Sure, baby! As an old saying goes, knowledge is _________.