摘要：A few days ago I saw an interesting program on TV． It was about what the traffic problem in cities．It seems 41． that a great deal of damages is done by traffic．All our 42． cities are suffering from this．Some buildings are actual 43． falling to pieces．It's often fast to walk than to go by car 44． and bus．The problem has been getting worse day by 45． day．This is only one of the thousands problems in our 46． cities．All sorts of terrible things were happening to our 47． cities．The question is.“How can we do about it? Our 48． roads were never designed for such a heavy traffic．It 49． takes longer and longer to get from a place to another． 50．

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