根据短文内容及首字母提示完成短文。 Usually, doctors tell some people to go on  diets( 节食).  The doctors hope the diets will make the people feel b l . They hope the diets will make the people healthy. Alana was on a diet, but she didn't like it at all. She wasn't a 2 to eat her favorite food by the doctor. While her brother Frank ate chocolate, she had to eat an apple. Alana was on the diet for two months. Her doctor was pleased with her. 'You have been very good,' he said.“You can eat some of the food you like best but only a little. Don't eat too many sweets. Don't eat too much ice-cream.  If you do, you will get a lot of weight a 3 . ' Then the doctor put Frank on a diet. It was a different kind of diet. “You c 4 eat chicken or eggs, Frank,' said the doctor. 'They will make you in trouble. ' 'How long will I have to be on the diet?' asked Frank. 'A long time,” said the doctor.  “Maybe for the r 5 of your life. ' 'But I really  like  chicken,'  said  Frank. ' You said it is one of the best meat to eat. ' 'It is very good food for most people,' said the doctor.  'But when you eat it, it will make you sick. It is not good food for you. ' 'You're right,'  said Frank.  'Well, I’ll eat more cake instead.' 1. 2. 3. 4. 5.