单元：#Word List 09.txt

• helpful
• general
• root
• little
• problem
• thirteen
• parrot
• throat
• drum
• pity
• cool
• hospital
• person
• aloud
• sleep
• dollar
• pierce
• support
• wife
• four
• pretty
• sick
• fail
• lamp
• western
• offend
• silver
• wood
• cost
• argue
• influence
• overseas
• internet
• chocolate
• market
• kitchen
• state
• task
• cook
• while
• eight
• bring
• mystery
• nurse
• stop
• father
• very
• buy
• exchange
• something
• already
• potato
• candy
• beard
• price
• arrive
• war
• laboratory