Tony lives in a big house, and his family is rich (富有的). He has a bad 1 . He always wastes (浪费) food. For example, he 2 eats half of an apple and throws away (扔掉) the other half. His mother always 3 him not to do that, but he doesn't 4 his mother. He thinks his father has a lot of money, so it's not a big deal. "My mother is too strict 5 me," he says. He doesn't like exercising, 6 . His home is not far from school, but he never walks 7 rides a bike to school. He asks his mother to take him to school in the 8 . He says to his mother. "We have a car, so 9 do I need to ride a bike or walk to school? Walking 10 me tired."
One day, in a geography class, his teacher 11 some pictures of Africa to Tony and his classmates. Many 12 have no food to eat there. They are thin because of hunger (饥饿). Their teacher asks them to 13 money and do something to help them. Tony feels 14 for what he did before. He knows what his mother did is to help 15 develop (养成) good habits.
