III. Раскройте скобки, употребив правильную глагольную форму.

1. Once John Smith and his wife Mary who lived in a small house in the mountains, (2 - find) a dog. 2. Though the dog was weak and hungry, he (4 not eat) anything in the presence of his new masters. 3. Several days later the dog disappeared. John and Mary (6 - leave) alone. 4. But one day when Smith was travelling in a train, he (8 - see) his dog running along the road. 5. He got off the train at the next station, (10 - buy) a piece of meat, 6. caught the dog and (12- bring) him home again. 7. There the dog was tied up for a week. 8. The dog escaped several times and each time he (15-run) north. 9. At last the dog decided to stay at the cottage but a long time passed before Smith and his wife (18 - can) touch him. 10. They called him WolfOne summer a stranger came to the cottage. 11. As soon as the dog saw him, he (22- rush) to the stranger and licked his hands. 12. Then the stranger said: "His name (25 - be) not Wolf. It is Brown." 13. He is my dog." Mary (28 - ask) to leave the dog with them. 14. But the stranger refused and said that the dog (31 - must) decide it himself. 15. "I say goodbye and go away. If he wants to stay, let him stay." 16. For some time Wolf watched the man go. Then he rushed after him and tried to stop him. 17. Then the dog ran back to Smith and his wife tried to drag Smith after the stranger. 18. He wanted to be at the same time with the old and the new master. 19. Finally the dog lied down at the feet of Smith. Mary was happy.