• 2021-04-14
    单打比赛中,甲10:5领先乙,甲应在( )发球,乙应在( )接发球。(1)左场区,左场区;(2)左场区,右场区;(3)右场区,左场区;(4)右场区,右场区? (3)|(1)|(2)|(4)