应该是are you american还是在american前加an?是不是除了chinese和japanese之外,其他的都要加a?

应该是are you american还是在american前加an?是不是除了chinese和japanese之外,其他的都要加a? You are a American?你是美国人吗最近在网上有很多人喜欢这样用不是应该是 ARE YOU American?我知道Don't you like me?这样可以用You are American Are you ____?No,we are ____.A.American;Englishman B.American;Germen C.Englishman;American. Are you American or English?Are you an American or English?Are you a American or English?哪个对?为什么? 改错:sorry,are you an American?Yes 明天你有空吗 英文Are you free tomorrow?应该是将来时,为什么还用be动词are? “Sorry,are you English ”“No,I'm American.”(改错) are you american or english为什么不加an 根据句子回答问题.1.Are you American you are American?意思是你是美国人吗是不是 Are you Chinese or American?Chinese American前为何不加the或其他冠词 Are you American or English?---English.We are working in Wuhu.这里的American or English是名词还是形容词? Excuse me ,are you ___?No,we are ___.A American ,Germans B American,German 选哪,为何 为什么Hello are you Chinese?No,we are American.中的American不用加s,不是可数的吗? If you are invited at 7:00 by an American friend ,you should________ Are you a American student?I am study in USA,I want ask you some question. 你是英国人吗 用英语怎么说 是are you english还是are you an english American和French呢如题 一个英语问题：Are you sleep还是Are you sleeping请问应该是Are you sleep还是Are you sleeping