If you are _____ about Australian cities, just read the book written by Dr Johnson.

---- You like to surf the Internet. Do you know the meaning of “WWW”?---- Of course. It means _______.

She was       to George for all that he had done for her.

The businessman offered a(n) __________ price for one of her collections, giving her a pleasant surprise. 

At the end of the year 2010, some species of birds ddn’t survive the _____ winter in some European countries.