为什么不能是whom is your english teacher?

为什么不能是whom is your english teacher? 为什么是 Who is you English teacher 而不是Who is your English teach 为什么是Is your English teacher strict with you而不是Dose is your English teacher from? Who is your English teacher? Is your English teacher（）? who( )your english teacher and maths teacher? 填are还是is?为什么? Who is your english teacher and math teacher这句话对吗?是用is还是are Is your english teacher a tall man? english,england,is ,your,teacher,from Who is your English teacher?英文回答 Is that your new English teacher?