Henry hurried to the library, only to find a notice at the gate, saying “No___________before 12:00 noon”.

He keeps in the safe $3 million _____ of diamonds.   

Being able to speak another language fluently could be a great ___when you are looking for a job. 

According to a UN report，one third of the world population have no    to clean drinking water and health care.

Do you know the        of the saying I just quoted?