As she________the newspaper, Granny________asleep. 

The collapse of the World Trade Centre  has put US economy in a difficult  ___________.

.--What are your parents?--My father is a teacher, and my mother is _________．

It is re ported that the United States uses _____ energy as the whole of Europe.     

—I think languages subjects are more interesting than science ones. —________. I prefer science subjects.