The businessman is always encouraging his employees to ______ water-based sports, hoping to develop an amateur racing team in his own company.
_____ his knowledge of the mountainous country, John Smith was appointed as our guide.
Political parties often differ in their views on various _____ concerning their own countries.
. Jack is good, kind, hard-working and intelligent. _____, I can't speak too highly of him.
We can't _____ one to change the habits of a lifetime in a short time.
American women were _____ the right to vote until 1920 after many years of hard struggle.