改错 He studies in an university.

问题描述:

改错 He studies in an university.

He studies in a university.
冠词a和an的区别是,在元音音标前用an,在辅音音标前用a.
并不是看单词的首字母而确定,而是看单词的首音标.:《j》是辅音,所以用a.