American的冠词He is American boy中间要加a还是an啊?

American的冠词He is American boy中间要加a还是an啊? He is American.I am English.为什么不能加冠词He is American.I am English.和He is an American.I am a Englishman.的中文是不是没有区别呢 He is American的提问是什么? He is()American He is American.对American划线提问 专有名词前不加冠词?在一本英语的辅导书的答案里写着（专有名词前不加冠词）~是单项选择提的.单从语法看这句话（专有名词前不加冠词）对吗?2009-01-09 21:56 问题Henry is American,and now he is st he is an american=he is ( ) ( ) He is American什么意思 :用恰当的冠词填空(英语)七年级( )girl in blue is helen .she is ( )american student. he is an american boy的意思是什么? She is an American .这里加不加冠词?American 大写否?I am (a) Chinese 加不加a He is American.(划线提问American) _______ is his _________? 翻译：he is an american born chinese 英语：He is in _____ (American) now. he is an () basketball star.america?american? He is American有语病吗? 初中英语题目!冠词填空!He comes from ___European country and he is ___honest boy.冠词填空! Is she _____ American girl?(空格里加不加冠词?） ?