. People have always been_______about exactly how life on earth began.

 ---What do you think of the world-famous football player Messi from Argentina?---I've never seen ______ one before. He was born to play football.

There are many ______ TV programs about the Beijing Olympic Games. You can choose any you like and enjoy it.

We all know that the painting, named Racing Horse, is a(n) ______ example of Xu Beihong’s style.

Not money but ______ information ______ needed. So they’re trying to get what they want to know from the computer.