I’m afraid I can’t attend your wedding ceremony, but thanks for the invitation_______.
—I don't think you should __________; you should eat more instead.
Either you or theheadmaster __________ prize to thesegifted students at the meeting.
I was just talking to Margaret when Jackson __________
Health problems are closely connected with bad eating habits and a __________ of exercise.
Although the electricity was cut off, the hospital continued to __________ normally.