There is only one who is capable of setting limits to your growth, and it _____ well be you.
Years later, I began ______ what he told me right.
It’s no use ______ with him ______ this matter.
______ the distance was too long and the time was short, we decided to fly there instead.
—What’s the matter with you, Tom? —______ the ladder, one of arms has been broken.
______ the illness pneumonia, Jackson couldn’t go on teaching.