jim is an english ,but tom is an american 改错怎么改?

jim is an english ,but tom is an american 改错怎么改? jim is an english ,but tom is an american 改错怎么改?去掉第一个an 请问为什 改错:Lily is American.Jim is an English. Jim is an English 改错 改错：Lily is an American.Jim is an Einglish 英语找错题:Liliy is an American.Jim is an English Lily is an American.Jim is an English.这句话错在哪啊, Jim is an" "(Americe\American)boy. Lily is an American.Jim is an Einglish有错吗 Jim is ____but Kate is ____.A an English ; American B Englis she is an english 改错 Lucy is an English 改错