Write any five duties of a referee.

1. Has the final decision on all questions of law and ensures the rules of tennis are followed. 2. Supervises the match, the officials and the ball boys and ensures the court is fit for play. 3. Decides whether play is to be suspended or postponed because of weather or light. 4. Appoints the umpires, line judges and net judge for the match. 5. Hears appeals on the umpire's decisions about points of law and can disqualify players for misconduct.