She is an American .这里加不加冠词?American 大写否?

She is an American .这里加不加冠词?American 大写否? She is an American. She is an American ,__________? She is an American girl 还是 She is American girl she is an American.还是she is American I am Chinese / She is American 不需要加冠词吗? an American boy 为什么冠词用an? is alice an american Tina is an American.She is (　) New York. 英语单词填空问题!Jane is an American girl.She was b__in American.Now Lady Gaga is an American recording artist.She began performi Joanne is an American.She has never been 盲填