At a very young age, Professor Field used to__________ books on radio.
It was in New Zealand ___ Elizabeth first met Mr. Smith.
----Where did you get to know her? ------It was on the farm ____we worked.
I do not mind her criticizing me, but _____ is how she does it that I object to.
It ______ we had stayed together for a couple of weeks ____ I found we had a lot in common.
It was after he got what he had desired _____ he realized it was not so important.