1.(expense)
Most children in China are educated at the public ____.
Many students work to make money for their college _______.
2.(fair)
It was a _______ fight.
We hope to play _______.
He promised to treat the child _________.
Everyone thought it was an ________ competition.
3.(final)
No one knows who will have the ________ day.
He understood what I meant ______.
4.(fly)
Do you konw who invented the first _____?
Have you ever seen a ____ saucer?
5.(free)
It's difficult to use a foreign language _______.
6.(freeze)
Water ______ at 0 ℃.