Elbert Einstein, for ______ life had once been very hard, was successful later in science .
If wishes were horses, _____ beggars would ride.
When the last prize had been awarded _____ everybody cleared off.
Although he had only entered the contest for fun, _____ he won first prize.
Just because they make more money than I do, _____ they seem to look down on me.
He was not an actor, who often appeared on stage, _____ a writer, writing stories.