选出不同类的一项。
( )(1) A.book B. pen C. pencil D. picture
( )(2) A.first B. three C. four D. six
( )(3) A.bike B. car C. bus D. bought
( )(4) A.hen B. dog C. nice D. cat
( )(5) A. green B. red C. white D. thing
( )(6)A. dress B. pants C. wear D. T-shirt