y will ease traffic jams. There are too many private cars now. Besides, green travel is the responsibility of both the public and the government. With more citizens turning to public transportation, the government will try to improve the public transport system so people will use private cars less.РFinally, it can enhance people’s awareness of environment protection. The air pollution is becoming worse and worse now. If more people are aware of the danger of environment destroy, it achieves a lot.РIn a word, everyone is a winner on Car Free Day if we can do a bit for our city.РThank you for listening!Р61．share后加 with?62．去掉 the 63．classes 后加 that/which 64．providing改为provide? 65．attentions改为attention 66．necessary改为necessarily? 67正确 68．them 改为 it 69．went 改为goes 70．unnoticing 改为unnoticed
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