I‘m a student,_____?(aren't I 和 amn't I 和 am not I和isn't I应该选哪个?)说明理由为什么是aren't,而不是isn't?

I'm a student,t____. A:____ you a student B:No,____ _____.I'm a teacher. I'm a student.l'm from I'm a good student,____ I I'm a student .I'm____school My brother is a student.I'm a student,______ I am a student, _____? 反问句am I ? 为什么 I'm a exchange student是什么意思／? I'm a student.的问句是什么 对I'm a college student提问 I'm a student.改为一般疑问句 I’m a student in Grade Seven. I'm a student变复数形式 I'm a student of grade _____ a student,I must study very hard. 同义句转换 i'm just a student. i'm( )a student. I am a student.He is a student,too（合并成一句）_____ he _____ I are students I'm a student,she is a student,also.是道改I'm a student,she is a student,also.是道改错题,