My sister is a university student.She is _______in math.A.go

My sister is a university student.She is _______in math.A.go _______in a top-level university abroad is what many student My sister is a student.She s( ) in Guangming school. 改错：she sister is a student My sister is a student,I am a student Is she ( ) university student? John is a university student. My sister is a student.she is twelve years old.合并为一句 快 、、、、明 l,she is ( )university student.括号里应填a 还是an 连词成句。 1. is, She, a, university, student (.) She is ( ) university student.(括号中填a还是an?) She is a friend ( )my sister's