Do you know Guangzhou? In Guangzhou, there are many ______ going around the city, and it costs(花费) people only 1 or 2 yuan to take a bus. So many people like ______ a bus to school or to work. But when an old man gets on the bus, do you often ______ your seat to him?

Some people on the bus don't like to help the old people. They just close their ______, listening to music without looking at the old people. Some turn their faces to look out of the ______. When the bus driver keeps asking them to help the old people, they don't ______ him.

However, we should ______ each other, because we may need others’ help one day. Next time, please try to help others on the bus. You can let the ______ people get on the bus before you. You can give your seat to an old man. And you can also give your seat to a ______ with a baby. Then all the people will have a ______ life.