找出每组单词中不同类的一项. ( )1. A. English ( )

( )2. A. backache

( )3. A. grow

( )4. A. loudly

( )5. A. run

( )6. A. food

B. toothache

B. make

B. happily

B. sitting

B. fruit

C. stomach

C. collect

C. careful

C. jump

C. eat

D. earache

D. clothes

D. quietly

D. walk

D. water