These are (their )oranges.“对括号部分提问 ” 怎么做?

问题描述:

These are (their )oranges.“对括号部分提问 ” 怎么做?

whose oranges are there?

whoes oranges are these?

Whose oranges are these?
对于物主代词的提问用whose 表示谁的?

Whose oranges are these ?