用 a American 还是 an American
用 a American 还是 an American
是a American还是an American
American前面用a还是an
American前加a还是an?
----American boy (a/an/the)
She is an American girl 还是 She is American girl
应该是are you american还是在american前加an?
she is an American.还是she is American
I am an America(n) boy.用America还是American?
an American boy 为什么冠词用an?
American
I am an American还是I am an American man那句话对?