Q1. E : Referee should warn opponent regarding time-wasting.
            Refer to Rule 7.6 - continuity of play, and Rule 17 - conduct on court.

Q2. E : Referee awards match to player as the only option for the opponent, according to Rule 16.1.1 (bleeding, illness, disability and injury), is to concede a game and attempt to stop the bleeding again. As this is the fifth game, this means that the opponent must concede the match.