从每组单词中找出不同类的那个单词。(10分)
( ) (1)A student B. nurse C. knife
( ) (2)A. father B. teacher C. brother
( ) (3)A. sister B. worker C. farmer
( ) (4)A. peaches B. bananas C. car
( ) (5)A. nurse B. oranges C. grapes
( ) (6) A. there B. eight C. twelve
( ) (7) A. who B. white C. where
( ) (8) A. boy B. girl C. CD
( ) (9) A. pen B. ruler C. son
( ) (10)A. red B. yes C. blue