作为第二门语音的英语为什么as a second language?应该是as the second language麽

作为第二门语音的英语为什么as a second language?应该是as the second language麽 English_____in China as a second language. learn English as ( a ) second language. learn English as ( a ) second language.这里为什么不填the啊`语言前面不是不加冠 英语知识点Wang Ping speaks English as (a) second language.这道题的知识点 most people speak English as a second language介词为什么用as? English _____(use)as a second language in some countries why english is very important as a second language? How mang people learn English as a second language 请问English as a Second Language是什么意思呢?怎么读? English ------as a second language in many countries I speak English as a second language 里面as是起什么作用的修饰什么的