What is your uncle is job?

What is your uncle is job?
What is your uncle is job?

What is your uncle is job?
楼主的写法有误,正确写法
What is your uncle's job ?
翻译为：你叔叔做什么工作?
‘s不等于is的缩写

你舅舅（叔叔）的工作是什么？

你舅舅的工作是什么？

你叔叔是做什么工作的？