Is there any _____ for the piano in the office?

It matters little _______ they represent themselves as, but ______ matters much is ______they achieve. 

 He and his wife are of the same __________; they both want their son to go to college.

As she walked along a         , a door suddenly burst open, as though forced by someone behind it.

NASA has made a ________ that our earth has no threat associated with the film 2012 which is based on pure myths.