----- Where did you learn Greek? -----I didn’t. I _____ when I lived there.
Writing has _____ much of my spare time, but it has given me a great deal of pleasure.
_____ is no possibility that Bob can win the first prize in the match.
—Have you ever ridden a horse ? —No, but I _____ a camel when I visited Egypt last year.
It took a great deal of courage to admit that all his efforts had been ____.
Recently our class held a fierce _____ as to whether cameras should be installed in public areas.