选出下列每组单词中与其它三个不同类的一项。
(1)A.shoes            B.dress       C.trousers           D.under
(2)A.rabbit           B.funny       C.horse              D.snake
(3)A.table            B.bed         C.box                D.chair
(4)A.teacher          B.sister       C.singer             D.policeman
(5)A.cute             B.clever       C.desk               D.scary
(6)A.post office       B.window       C.train station       D.bus stop