We should not________and laugh at those who have no homes to shelter from the rain and wind.Instead,we should be sympathetic of them.
In recent years much more emphasis has been put______ developing the students productive skills.
_____ their real economic situations, they got some relief fund from the government.
Modern science and technology has _____ communication between people far apart.
Under no circumstance _____ to tell lies to parents.
The professor said he could talk on _____ interested the audience.