His ____ as captain of the football team lies in his ability to gain the respect of his men.
The dog, _____, will be made a good watchdog.
--- Have you considered _____ your job as a teacher? --- Yes. I like the job because a teacher is often considered _____ a gardener.
When he was a boy, he used to go there and watch _____.
When do you think ______ start the new attack?
During the tourist season, there are many people wandering in this city to see the old castles _____ in the sixteenth century.