The man didn’t see the sign “ No smoking”, for _______ of his eyes was near-sighted.
--- You won’t go to Mary’s wedding, will you? --- No, _____ invited.
According to a UN report, one third of the world population have no ____ to clean drinking water and health care.
It is likely that water is not ____ endless resource, nor ____ that can be made once more.
How long ______ teaching? Forty years.
An operation is usually performed by a ______.