_________(59)A.when B.whereC.which D.what

– I failed it. －－_____________.A、When？B、How could you？C、You should fail it.D、What a pity

___________A] when [B] since [C] for [D] whereas

___________[A] when [B] once [C] while [D] whereas

_________(57)A.anything B.thatC.something D.what

_________(53)A.when B.thatC.where D.which

_________(59)A.when B.whatC.why D.how