Прочитайте приведенный ниже текст. Преобразуйте слова, напечатанные заглавными буквами в скобках, обозначенных номерами 19-21, так, чтобы они соответствовали содержанию текстов. White hair and stress
19. The vegetarian movement started in the 19th century. Why do more and more people jone it? Some think that it is (HEALTHY) not to eat meat.
20. Others believe that it is cruel to eat animals. The famous writer George Bernard Shaw once said, "Animals are my friends - and I (NOT EAT) my friends."
21. Finally there are some people who think that (GROW) food for cows and pigs to eat is not very economical.
