--- _________ difference the day made! We were very happy. 

______ day it is! Let’s go out and enjoy the clear air and the sunshine.

 —  ________ invention the wheel is! — I can’t agree more. It is an invention that changed the world.

        useful the advice you offer me is!

Yesterday Shirley advised me to buy my daughter _________ iPad as a birthday present._________ useful advice she offered me!