He made one big mistake, and , ______, lost his job.
School children must be taught how to deal with dangerous _________.
It is said that dogs will keep you _________for as long as you want when you are feeling lonely.
To make members of a team perform better,the trainer first of all has to know their and weaknesses.
—I knocked over my coffee cup. It went right over ____ keyboard.—You shouldn’t put drinks near computer.
George couldn’t remember when he first met Mr. Anderson, but he was sure it was ___ Sunday because everybody was at _____ church.