Which one of you is Mr. Wang?

　　你們中間哪一位是王先生？

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

　　你只需告訴我你要選哪個。

　　Which one of you is Mr. Wang?

　　你們中間哪一位是王先生？

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

　　你只需告訴我你要選哪個。