Quite a few employees’ payments are cut down and barely cover their household ________ due to the serious economic crisis.

A new ______ to teaching languages is being used here, and it has turned out to be very helpful to the students.

We regret to inform you that the materials you ordered are out of________.

The _______ is just around the corner and you won't miss it.

The World Health Organization gave a warning to the public without any ______when the virus of H1N1 hit Mexico in April, 2009.