It is _______ impossible to complete the new teaching building in less than three months.
More than a year later he arrived back in America ______.
The reason Beethoven went away to the country is ______.
It is hard to imagine a large city without policemen, but such was the ______ in London in the early 18th century.
Prices reach equilibrium at the level at which quantity demanded ______ quantity supplied.
She possessed a quick mind, a sharp tongue and ______ a strong will.