I’am an English变成复数句

I’am an English变成复数句 I am a gilr 变成复数句 That is an English book变成复数 I am an English teacher改为否定句 I English am an boy I am an English girl. I am an English boy?(改成否定句) _____ _____ an English boy. I am an English bay.变成一般疑问句,并作肯定或否定回答 I am an American.改为复数句子. This is an English(改为复数句) I am ( ).A.an English B.English C.English boy I am an English teacher改为疑问句