Ответ:
- important — unimportant
- hard-working — lazy
- silly — sensible
- pessimistic — optimistic
- unsociable — sociable
- sad — happy
- well-behaved — badly behaved
- patient — impatient
- quiet — noisy
- untidy — tidy
- bad-tempered — good-tempered
- unambitious — ambitious
- cautious — careless
- selfish — unselfish
- unimaginative — imaginative
- boring — interesting
