请你写出下列每组单词画线部分有几种读音。
(1)A.answer B.wallet C.diary D.calculator
(2)A.comb B.exciting C.cycle D.delicious
(3)A.floor B.tall C.skateboard D.four
(4)A.jump B.1unch C.funny D.computer
(5)A.cough B.could C.ground D.out
(6)A.tooth B.shoot C.food D.noodles
(7)A.their B.year C.early D.hairdryer
(8)A.thank B.plant C.autumn D.uncle