单元：#Word List 04.txt

• mom
• standard
• wise
• spread
• instance
• ache
• queen
• skirt
• fear
• girlfriend
• hunger
• march
• warn
• hurry
• business
• soldier
• clerk
• way
• conference
• industry
• represent
• bottom
• alone
• whale
• x-ray
• cow
• ask
• sudden
• mark
• since
• belong
• shark
• everyday
• impolite
• solution
• above
• every
• face
• soup
• double
• east
• proud
• shy
• schoolwork
• ever
• small
• west
• labor
• space
• key
• old
• game
• sunday
• one
• enjoy
• ours
• ugly
• sheep
• people
• upstairs
• bird