He was faced with the of whether ornot to return to his country after he got the doctor’s degree in America．

The big fire hasn’t been __________ yet

The old lady died from the _____on her head; she was _______when cleaning windows on the ladder when she fell off it.

It’s not __ good idea to drivefor four hours without _ break.

To her disappointment, what she had devoted herself toin nothing but failure.