a 8 boy还是an 8 boy 看是a还是an数字要转化成英文吗吗

a 8 boy还是an 8 boy 看是a还是an数字要转化成英文吗吗 _____American boy是填a还是an 是 a honest boy 还是 an honest boy 是a upset boy 还是 an upset boy Active boy前面加a还是an an ugly boy 正确,还是a ugly boy 正确 ————English boy用 a或an?选冠词时 看哪里?是 English 还是 boy? 是a honest boy 还是an honest bony 英语问题an还是a eight-year-old boy more honest boy前加a还是an honest boy前面的冠词加a还是an _____(a/an)1-year-old boy _____(a/an)8-year-old boy _____(a/