The glass doors have taken the place of the wooden ones at the entrance,________in the natural light during the day.
Many lifestyle patterns do such _____ great harm to health that they actually speed up ____ weakening of the human body.
Stay awake! You should know that it ________ to sleep in class.
________ made the parents proud was________ their son had been admitted to a key university.
—I’m thinking of the test tomorrow. I’m afraid I can’t pass this time.—__________! I’m sure you’ll make it.
Success in life doesn’t happen ______. It’s the result of devoting your time and energy to what you’ve set out to do.