选择与所给单词同类的一项. ( ) 1. sister( ) 2. doc

( ) 2. doctor

( ) 3. son

( ) 4. nose

( ) 5. black

( ) 6. pretty

A. brother

A. tall

A. eye

A. hair

A. girl

B. worker

B. short

B. hot

B. arm

B. brown

C. family

C. daughter

C. sad

C. blue

C. beautiful