找出下列各组中不属于同一类的单词,将序号填在括号内。
( ) (1) A. watch B. clock C. uncle
( ) (2) A. sister B radio C. brother
( ) (3) A. zoo B. crayon C. storybook
( ) (4) A. ten B. stapler C. knife
likes flying at night.
A.A dragonfly B.An ant C.A firefly