Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, ______ the number of people infected with the virus is going up sharply [ ]

People read newspapers and magazines in order to keep themselves _____ of what is going on in the world outside

His opening up _____ food processing factory is _____ comfort to his parents.

The patients believe that the doctor knowsexactly how to put them _____.

Why not buy John a toy car for his birthday— __________. He is crazy about cars.