( ) 2. A. wall
( ) 3. A. tree
( ) 4. A. behind
( ) 5. A. car
( ) 6. A. desk
B. floor
B. grass
B. under
B. boat
B. chair
C. bed
C. duck
C. play
C. bus
C. picture
1. B 2. C 3. C 4. C 5. B 6. C
读一读.选出不同类的单词. ( ) 1. A. window ( ) 2. A相关攻略