1、名词所有格专项练习一、选择1.TheMP3onthedeskis________.A.twinsB.thetwin’sC.thetwinsD.thetwins’2.Are these trousers_____________?A.TomandAlice’sB.Tom’sandAlice’sC.TomandAliceD.Tom’sandAlice3.This is__________ room, and it is beautiful and lovely.A.BettyandSaraB.Betty’sandSara’sC.BettyandSa