用an，因為它是元音開頭的。
One weekend， Taylor， an eight-year-old girl， went shopping with her parents.
Lula has created eight new state companies .
盧拉創建了八所國有公司。
Eight out of ten youths now finish secondary school .
現在，十個年輕人其中八個完成中學課程。
Eight were weightlifters using anabolic steroids .
其中有八人是舉重選手，被發現服用同化類固醇。
Eight of nine other factors tested came no where close in influencing repeat visitors .
剩下的裏面九分之八的因素則是反映沒有貼近和影響訪客的亮點。
Police said eight people were arrested .
警方説已經逮捕了八人。
It costs me eight prime field hands .它叫我失去八個上好的農夫。
Atom number eight is called oxygen .原子序數為8的物質叫做氧。
We shall get there before eight .我們8點以前就可以到達那裏。
You are supposed to be here at eightevery day .你應該每天八點鐘到這裏。
The matches would decide the top eight .比賽將決出前八名。
記住：用a 還是用an 是看後面單詞音標的第一個音素是輔音還是元音。是元音用an， 是輔音用a 。如 a book， a jeep， a window an egg， an hour， an honor， an apple 。
