His brother is < > university student < > 填 a、an、the 填那个

His brother is < > university student < > 填 a、an、the 填那个 She is ( ) university student.(括号中填a还是an?) His brother is a student. it was in 1979 ( )his brother went to an university 填什么 My brother is a student in（ a ）university.为什么不用an呢? He is studying in ( ) Beijing University.A.a B.an C.不填 D.the Look at the boy!His name is Peyer.___ is a student.空格应填什么? his little brother is a student.划线部分：a student I'm a student Oxford University.填什么 She is a _____(good)student _____ her brother is.怎么填 l,she is ( )university student.括号里应填a 还是an 英语there is __ u in university.是填a还是an?