找出下面不同类的单词,把字母代号填入题前的括号中。10分
( )(1)A. red B.colour C. blue
( )(2)A. two B. three C. green
( )(3)A. cloud B.day C. night
( )(4)A. ruler B.banana C.apple
( )(5)A. circle B. pen C.eraser