He was not an actor, who often appeared on stage, _____ a writer, writing stories.
I insisted __________ to see a doctor, but he insisted nothing __________ wrong with him.
He studied hard, __________ the exam.
What makes us worried is that the number of people ______to drug is ________.
The boy became fatter and fatter each day and_____ made his parents sad.
This accident was______ his driving.