I am a student.对还是I am student.

I am a student.对还是I am student. I am a student. i am being a student. I am a good student i am a university student I am a student是什么意思 I am student 和 I am a student I am good a student I am a good student 哪个对 理由 I am ( ) university student. i know i am a student.i___i___a student I am a （student）.对括号部分提问 I am a student( )a middel school