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關(guān)閉窗口 fond**
food
foot
football
for
force
forecast**
forehead**
foreign
forest
forever**
forget(forgot,forgot
forgive**
fork
form
formal*
format**
former*
fortunately*
forty
forward*
found**
foundation**
fountain**
four
fourteen
fourth
fox**
frank*
free
freedom**
freeze**
French
frequency**
frequently*
fresh
friction**
Friday
fridge
friend
friendly
friendship
frightened*
frog**
from
front
frontier**
frost**
fruit
fry**
fuel**
full
fun
function*
fund*
fundamental**
funny
furniture**
further*
future
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