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.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 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 用什么提问 回答I am an American用What is your nationality?提问,回答I am Amarican;那用什么提问回答I am an American He is American.对American划线提问 I am quieter than he is对吗 I am you are,she he is 来翻译短文!抢30分!AN AMERICAN BOY IN CHINAI am David. I'm an American boy .Rock is my good friend .He is English.He is fourteen.We are the same age.We are in the same class.I have a sister.Her name is Lucy.She is ten. She and I are in the same Hello,I am an American,I want to ask a question,what is 给力? 英语翻译hello!my name is Rose Green.I am American.I am thirty-two years old.I am a journalist.I have a big family.my grandfather is eighty-nine and my grandmother is eighty-eight.they are both healthy.l my father's name is Jack Cook.he is a paint he is an american=he is ( ) ( ) He is American什么意思 He is tired .And I am tired,too改为同义句.He is ()()() I am 完形填空 My name David.I am（）American.My father（）in完形填空 My name David.I am（）American.My father（）in Beijing.He is a doctor in a （）.So now,Im（）China,too.I have（）new friends here.They are very（）.I like（）ve 变复数 There is a fish in the river.I am American. Which is the best website for Chinese learning? I am an American in Ohio in US. I am an American.改为复数句子. He is American.(划线提问American) _______ is his _________?