选出不同类的单词
(     )(1)A.stop             B.wait                C.light
(     )(2)A. red             B.yellow              C.school
(     )(3)A.look             B.China               C.come
(     )(4)A.library          B.museum              C.where
(     )(5)A.by subway        B.on foot             C.go to the park