I'm American,I'm an American和 I'm an American girl这三种表达方式都可以

I'm American,I'm an American和 I'm an American girl这三种表达方式都可以 I 'm from American. 一道简单的英语题I'm Jenny.I;m an American girl.I'm twelve years old. I'm an American boy.变一般疑问句 I'm an American boy,wanna find a friend . I'm an American and I'm an English teacher in beijing.I've ( SMJ英语初二上Hi,I’m Betty,an American girl.I like _ 1__ culture v 英语翻译Hello Bei Bei!I'm Levi,an American in Shenzhen.I'm 30 bu Kate is ( ) English.I'm( ) American A.a,an B./,/ C.an,a 英语翻译I’m an American whose lived in several Asian counties,an I'm(A) an English(B).He is an American(C).错误的为 I'm going to sell American food?(American划线提问