ok?I am a student.I am twelve years oid.

ok?I am a student.I am twelve years oid. I am ok.I am a student.I am Gina Green.She is my teacher.一般疑问句怎么改? I am a student是什么意思 i am being a student. I am a student.对还是I am student. I am ( ) student A:a B:an I am a student （） a school. I am a student, _____? 反问句am I ? 为什么 I am a student.改为一般疑问句 i am a student.改成疑问句 I am a student是什么时态 i am a student 什么时态? I am a student 做一般疑问句 I am good a student I am a good student 哪个对 理由I am good a student I am a good student 哪个对 理由 I ‘am a student 一般一问句 I am a student,_______I?翻译疑问句 I am a (student) 变复数 i am a student.改成复数句