__________ is human nature that a great many people are often willing to sacrifice higher pay for the privilege of becoming white-collar workers.

The reason______ she failed to go to the party puzzled all of the people present.

Why can’t I smoke here—At no time _________ in the meeting room.

Before joining the Department of Defense, MrPanetta _______ as director of the CIA from February 2009 to June 2011

The ship was _____ in a storm off Jamaica.