选出不同类的单词。( 每小题1分,共10分 )
(1)A.riverB.eatC.worryD.stay
(2)A.pearB.apple C.flowerD.banana
(3)A.breadB.milk C.tableD.egg
(4)A.oneB.twoC.firstD.four
(5)A.tellB.sayC.cookD.father
(6)A.basketballB.partyC.footballD.ping-pong
(7)A.onionB.potatoC.cabbageD.healthy
(8)A.strongerB.matterC.shorter D.heavier
(9)A.excitedB.happyC.bored D.watch
(10)A.footB.headC.legD.book