which one引导什么从句

　　Which one of you is Mr. Wang?

　　你们中间哪一位是王先生？

　　You have only to tell me which one you want to choose.

　　你只需告诉我你要选哪个。

　　Which one of you is Mr. Wang?

　　你们中间哪一位是王先生？

　　You have only to tell me which one you want to choose.

　　你只需告诉我你要选哪个。