8. Jane's emotional and passionate speech didn't leave the public indifferent. 9. Charles had few memories of his early childhood. 10. In most cases people's happiness depends on a good family and a good job. 11. Wasteful people have no chance to get rich. 12. Absorbed in talking we did not pay attention to the noise outside. 13. My mistake was obvious and I was prepared to hear some uncomplimentary words from my teachers. 14. Wood doesn't sink but floats. 15. Come to the map and point out the Arabian Peninsula.
Ex. 20 1. unlocked 2. immobile 3. inattentive 4. irrational 5. unmarried 6. unexpensive 7. uncoloured 8. irresponsible, unpleasant 9. indifferent 10. illogical 11. unanswered 12. immortal
Ex. 21 1. inaccurate 2. independent 3. irregular 4. unpopular 5. Inexpensive 6. illiterate 7. illogical 8. impolite 9. irresistible 10. unprestigious 11.unseen 12. uninteresting 13. inattentive 14. unable, incapable 15. uncomfortable 16. irresponsible 17. untidy 18. incomprehensible
Ex. 22 1. I was allowed to enter. 2. I was allowed to go to the cinema. 3. Playing football in the street is not allowed. 4. The children were not allowed to go out in the rain. 5. I'm not allowed to work in the garden. 6. He is allowed to go to such parties. 7. You won't be allowed to return the money. 8. John stepped back and I was allowed to pass.