Perseverance is a kind of quality, and that is ______ it takes to do everything well.
—I looked after a group of fifteen French children. —That _________ easy!
Let him _________ ; he is a man of _________ temper.
With a lot of difficult problems _________ , the newly-elected president is having a hard time.
_________ much I practice, I shall never win an Olympic gold medal.
—I’ve decided to spend the winter holidays traveling in Australia. —Oh, _________ !