选出每组单词中不同类的一项. ( ) 1. A. room ( ) 2

( ) 2. A. small

( ) 3. A. in front of

( ) 4. A. behind

( ) 5. A. yellow

B. near

B. on

B. closet

B. purple

C. big

C. over

C. end table

C. oranges

D. large

D. next

D. curtain

D. green