选出每组中不同类的一项。
(1)A.clever B.friend C.hard-working D.shy
(2)A.Wednesday B.Friday C.Sunday D.week
(3)A.Thursday B.watch TV C.play football D.play sports
(4)A.sandwich B.tea C.salad D.hamburger
(5)A.hot B.fish C.fresh D.healthy