把每组词中不同类的单词的序号填在( )里。
(1)A. bus B. bicycle C. truck D. bed
(2)A. tiger B. new C. wolf D. elephant
(3)A. rock B. eraser C. pencil D. pen
(4)A. apple B. banana C. mountain D. orange
把每组词中不同类的单词的序号填在( )里。
(1)A. bus B. bicycle C. truck D. bed
(2)A. tiger B. new C. wolf D. elephant
(3)A. rock B. eraser C. pencil D. pen
(4)A. apple B. banana C. mountain D. orange