题目内容：

英语中名词前的形容词是原因,那么用a还是an?
He is a excellent student.还是He is an excellent?
He is a skilled operator.还是He is an skilled operator?

优质解答

就看“a"和”an“后面词语第一个音素,元音音素用”an“,辅音音素用”a“,不看后面单词词性.
He is an excellent student.
He is a skilled operator.