Прочитайте текст. От приведенных в скобках (В19-B22) слов образуйте однокоренные слова таким образом, чтобы они грамматически и лексически соответствовали содержанию текста. Заполните пропуски полученными словами. Помните, что заданную форму слова необходимо изменить. Fast food is big business, with hamburgers and pizzas leading the way. But these two European dishes did not get the fast food treatment until the world's first fast food restaurant opened in San Bernardino, California, in 1948. Restaurant (B19) __________ (OWN) wanted to take advantage of the rising popularity of cars, so they made a decision to design drive-in restaurants. They (B20) __________ (SIMPLE) their menus so that there was no necessity for a knife, spoon or fork and they used cups, plates and bags that could be thrown away. By the 1960s and 1970s this kind of food was becoming (B21) __________ (INCREASING) common in Europe. The most recent trend has been the introduction of more healthy options like salads to menus and this looks (B22) __________ (LIKE) to continue.