I have ever found such a case________the son refused to support his mother when she became too old to feed herself.
I thought ____ no use talking with him. _____ was a waste of time.
Why don’t you bring ______ to his attention that you are too busy to do it?
. The temperature can fall to –50°._____ is, 50°below freezing point.
She likes to use words ____ is clear to him.
Babies are not born with __ moral sense; they cannot tell __ difference between right and wrong.