为什么选第一个

为什么选第一个， 

??Why do you choose the first?

first作代词的用法：

first 3

/ f??st; f?st/ n, pron

the first first person or thing mentioned or occurring （提到的或huò出现的）第dì一个人或huò事物: Sheila was the first to arrive。

?? 希拉是第dì一个到达的。 * I'm the first in my family to go to university。 我是我们men家第dì一个上大学的。 * I'd be the first to admit (ie I will most willingly admit) I might be wrong。

?? 我愿第dì一个承认我可能错了。 * The first I heard about the firm closing down (ie The first time I became aware of it) was when George told me。

?? 我最初听到公司倒闭的消息是乔治告诉我的。

题目在哪里?请补充说明。