请你写出下列每组单词画线部分有几种读音。
(1)A.answerB.wallet C.diaryD.calculator
(2)A.combB.exciting C.cycleD.delicious
(3)A.floorB.tallC.skateboard D.four
(4)A.jumpB.1unchC.funnyD.computer
(5)A.coughB.couldC.groundD.out
(6)A.toothB.shootC.foodD.noodles
(7)A.theirB.yearC.earlyD.hairdryer
(8)A.thankB.plantC.autumnD.uncle