17. We have every reason to believe that ________ 2010 Shanghai World Expo will be ________ success.
—Hi, Tom. Any idea where Jane is? —She_______in the classroom. I saw her there just now.
The boy_______on the ground_______that he_______the book on the table.
You must apologize_______your mother_______your rudeness.
—Is John coming by train? —He should, but he_______not. He likes driving his car.
Nobody recognized her at the ball because she________________as a maid..