选出每组单词中不同类的一项. ( ) 1. A. bike ( ) 2

( ) 1. A. bike

( ) 2. A. side

( ) 3. A. morning

( ) 4. A. newspaper

( ) 5. A. England

( ) 6. A. rain

( ) 7. A. engineer

( ) 8. A. seed

( ) 9. A. month

( ) 10. A. big

B. east

B. week

B. post card

B. Australia

B. cloud

B. help

B. soil

B. tiger

B. down

C. west

C. afternoon

C. pet shop

C. China

C. vapour

C. policeman

C. sprout

C. elephant

C. small

D. north

D. evening

D. comic book

D. country

D. sun

D. writer

D. plant

D. monkey

D. long