There is ()“f”,()“u”and () “n” in the word“fun”

题目

There is ()“f”,()“u”and () “n” in the word“fun”
用适当的冠词填空

答案

There is (an)“f”,(a)“u”and (an) “n” in the word“fun”
与an连用的字母有：a e i o r f l m n s x 共十一个,其余字母都与a 连用.