选出每组中不同类的单词,将它的编号写在左边的括号中。
( )⑴ A.ruler B.arm C.body
( )⑵ A.white B.red C.orange
( )⑶ A.mouth B.foot C.school
( )⑷ A.black B.brown C.face
( )⑸ A.my B.bag C.your