--_________ useful invention the computer is.--Yes, It helps us a lot.
I wonder ______ he is a young teacher or a student. Could you tell me?
Jack is a successful writer. He devotes all his energy ______ the novels.
Last week, they held the charity show to raise money for the ______ of the earthquake.
The Nobel Prize in Literature 2012 was awarded to Mo Yan, ______ famous Chinese writer. And he is ______ first Chinese to win the prize.
—Do you know tomorrow? —David? Never! He hates outdoor activities.