To meet the challenge, the young people preferred _______ heavier work to do in their spare time.
As we all know, every minute _____ full use of ____ our lessons will do good to us students.
He had an accident ______ to work and was badly injured.
Hard work ______ success while failure often ______ laziness.
It is not how much we do but how much love we put into what we do _______ matters.
Under no circumstances _________ lend Paul any money.