【20個經(jīng)典英語口語句式】Which...的句型

Which one is yours?
哪一個是你的？

Which is your choice?
你選擇哪一個？

I don't know which one is his.
我不知道哪一個是他的。

I didn't see the pop star, which is a pity!
我沒有看到那個大明星，真可惜！