At the age of 14, Father had to leave school and start working. There would be no one to support the family _______ he not worked.
The poor boy is in danger. We should do all we _____ help him out.
Nobody but you _____ able to sing that American song.
-----Have you _____ everything ready for the meeting? ----- Not yet, we need ______.
It is he, not you, _____ right.
Those _____ know the answer put up your hands.