问题描述：
there was a traffic accident on the high way on the morning of new year's day 同义句转换
there was a traffic accident on the high way on the morning of new year's day 同义句转换
a traffic accident_____ _____ on the high way on the morning of new year's day
there was a traffic accident on the high way on the morning of new year's day 同义句转换
a traffic accident_____ _____ on the high way on the morning of new year's day
问题解答：
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