---A latest magazine, please.--- Only one left. Would you like to have ________?
No one knows ______ in the future, so take care of what we have now.
I'm a singer is a program ______ is enjoyed by people of different ages.
A friend is a person who knows what you are saying ______ you are not talking.
It is true that knowledge ______ rather than being taught.
Don't give up, Tom. You haven't realized ______ great progress you've made!