--- I had thought he would be nervous in this speech competition, but he turned out to be calm. --- He________quite enough preparation for it.
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.