they的名词所有格是什么

their他们的、
例句：
Their decision was unanimous、
他们的决定是全体同意的。
Their relationship flowered、
他们的关系变得更好了。
Their marriage was finished、
他们的婚姻破裂了。

Their new album is their doomiest、

他们的'新专辑是他们最失败的作品。

Their marriage is very traditional、

他们的婚姻十分守旧。

What's their son called?

他们的儿子叫什么名字？

Their house is massive、

他们的房子大极了。

Their car broke down、

他们的车抛锚了。