[解析]
1.falls.考查动词,主语是it,在阴历的七月十五,因为是一般事实,故填一般现在时,故填falls.
2.origin.考查名词,中元节的来历,名词做主语,故填origin.
3.religious.考查形容词,形容词修饰名词,宗教的庆祝,故填religious.
4.approaches.考查名词,根据different可知填写名词复数,故填approaches.
5.to scare.考查不定式,to do做目的状语,故填to scare.
6.on.考查介词,刻在表面上,on the surface:在表面,故填on.
7.similarly.考查副词,修饰整句话,相似的是,故填similarly.
8.placed.考查非谓语,place与candle是动宾关系,故填过去分词做后置定语,故填placed.
9.where.考查连词,hell是先行词,在定语从句中做地点状语,故填where.
10.the.考查冠词,表示特指,the dead:死去的人,表示一类人,故填the.