Whoever leaves the room last must ______ that all the lights are turned off.

The doctor’s reputation was completely _________ in the accident. Nobody believed that he had been innocent.

 .Everytime I_______a foreigner, I will seize the opportunity to practise my spoken English.

Thanks to Mr. Smith the father and the son eventually______________ after ten years' cold relationship between them. 

 One thing I am certain of is that hard work _______ good results.