（ ）jacket ( )里填a还是an

( )orange jacket 前面填a还是an,这里orange是形容词, ()800-metter races 括号里填an还是a Your jacket is nice.-()的（）里填什么 Kate is ------English girl .-----里填an还是a还是不填 （ ）old woman是填a还是填an 一件橙色的外衣用英语怎么说?（是a orange jacket 还是 an orange jacket)求大神帮助 Tom ( ) spell “jacket”括号里填什么 It is_____orange jacket,怎填啊?是an还是a,说明一下,多谢了,有加分 （ ）encourager括号里面填a还是an? Have you got _____one-yuan coin括号里填a 还是an 填空：You're dropped ( )"s" in the word "necessary"括号里填 a 还是 an _____American boy是填a还是an