Воткните в пропуски already, ever, yet, just по смыслу в данных

Воткните в пропуски already, ever, yet, just по смыслу в данных предложениях. 1. Have you been to South Africa? 2. Have you finished writing your essay or did you finish it earlier? I havent finished it . 3. Shall I pay the waiter? No, Ive paid the bill. 4. Have you spoken to a famous person? 5. Ann, lay the table. Ive .. cooked dinner. 6. They dont know what the problem is. They have arrived. 7. Is it a good film? Yes, its the best I have seen. 8. The post hasnt come . 9. She has explained the situation to me. 10. He hasnt invited me to the party . 11. Nobody has found the lost city of Atlantis