A.in the same familyB.sistersC.in the same school(2)Amy is one year___than Lingling.A.oldB.youngerC.older(3)Lingling is___than Amy.A.smarterB.tallerC.shorter(4)Lingling is___than Amy.A.heavierB.thinnerC.smaller(5)-Whose feet are bigger,Amy's or Linglin...