I failed in the final examination last term and only then _____ the importance of study.
Willie has complained to the sales manager about the PC he bought _____ screen exploded for no reason.
It began as just an _______ Monday, but soon became a day I would never forget.
--- He is fifteen years older than you. --- _______ Love has nothing to do with age.
Salaries are much higher here than ______ in my city.
Their work ______, all the experts went out for relaxation.