11.If You're Happy（如果你快乐） 11.If you're happy（如果你幸福） 11.If You’re Happy（如果你幸福） 17.If You're Happy（如果你高兴） If you are happy(如果你快乐) If you are happy (如果你快乐) If you are happy(如果你很快乐) If you are happy (如果你很快乐) If You'rs Happy如果你快乐 If you're happy (如果你幸福)