It was only after I came across that matter_______ how important it was to master a foreign language.
. 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.
The point is not who said the words, _____ they are true or not.