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

问题描述:

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

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.