找出不同类的一个单词。
( ) (1) A. panda B. flower C. pear D. elephant
( ) (2)A. write B. read C. want D. someday
( ) (3)A. sing B. playing C. collecting D. watching
( )(4)A. piano B. violin C. guitar D. computer
( ) (5)A. writer B. newspaper C. magazine D. dictionary