my father and my mother are teachers
解释:主语复数谓语be动词也应该是复数形式
Are your father and your mother teachers?
解释:一般疑问句谓语前提,第一人称改为第二人称
be改为are
What are your parent's job
My father and my mother are teachers.
一般疑问句:Are your father and mother teachers?
应该是are teachers
Are my father and my mother teachers?
不正确,应改成are,疑问句Are your father and mother teachers?