In Nanjing, there are many      going around the city, and they cost 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     the windows. When the bus driver keeps（一直）asking them to help the old people, they don't listen to him.
However, we should      each other    we may need other's help one day. Next time, please try to help others on the bus. You can let the old people get on the bus     you, you can give your seat to an old man, you can also give your seat to a woman    a child. Then all the people will have a    life.

Autumn comes ______ summer(夏天).

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Li Ping is in front of me, but Xiao Hua is ______ me.

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