Festivalsareoccasion的精选

问题详情：阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。Festivalsareoccasionsthatallowustorelaxandenjoylife.Their56．(origin)rangefromtheseasonsoftheyeartoimportantevents.Whenitcomestoceleb...