Relative Pronouns

谁

Who are those people sitting at the back?

谁是那些坐在后面的人 ?

哪个

Which of these options is the best solution to the problem?

这些选项中哪个是问题的最佳解决方案？

那, 那个

That is my brother standing by the car.

那个站在车旁边的是我兄弟。

谁, 哪位

Whom did you invite to the party?

你邀请了谁参加派对？

谁的, 其

She's an author whose novels have topped the bestseller list.

她是一位其小说曾登上畅销书排行榜榜首的作者。