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不明白的再问哟,请及时采纳,多谢!问你一个根据首字母填空When you ride your bike and leave the car at home,you help the planet and every living thing on it.Riding a bicycle u____no energy(just your own)and causes no pollution,m____it one of the best ways to get around.Riding a bike also means there's one l____car the road.Then ,of course,there is the fact that it's g____for you!