填空题

A few days ago I saw a interesting program on TV. It 76. ______
was about the problem of the traffic in cities. It seems 77. ______
that a great deal of damage is done by traffic. All our 78. ______
cities are suffering from this. Some buildings are actual 79. ______
falling to pieces. It’s often fast to walk than to go by 80. ______
car or bus. The problem has been getting bad for a long 81. ______
time. This is only one of thousands problems in 82. ______
our cities. All sorts of terrible things were happening to 83. ______
our cities. The question is, "What can we do about it" 84. ______
Our roads were never designing for such a heavy traffic. 85. ______
It takes longer and longer to get from one place to another.

【参考答案】

designing→designed
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