一个英语小问题是a English friend 还是an English friend 好像是后面那个吧我怎么感觉以前

ls your friend an English I have ( )friend. A.English B.an English C.a English D.an En 是a firend of my english teacher 还是 a friend of my english te 英语填空A friend of mine was giving an english lesson to a class Here is a letter _ an English friend.填空 一个真正的朋友是“an real friend ”还是“a real friend ” ___ friend is an English boy. i have an english friend否定句 我的一个朋友用英语怎么说?是a friend of mine还是a friend of mine? write an e-mail to his English friend 为什么to后面要加his 找一位网友陪我练习英语（Find a friend who can speak English) Does your friend like English怎么回答