为什么won first place的first前不加the,基数词前不是都要加the么.

为什么won first place的first前不加the,基数词前不是都要加the么. 为什么first aid前不加the?普通名词构成的专有名词前不是用the吗 the boy named David won the first place同意句 He first performed beijing Opera.为什么first前不加the?He won first He is first .还是 He is the first .同理：He won first place.还是He first的基数词, first的基数词. sally works very hard .______ ,she won the first place. bill has won first place in the singing competition.----____ I won first place in the competition.---____ 为什么是Who won the first prize? Bill has won first place in the singing competition.____为什么是