—What’s up? You look down.—I have piles of papers ____, but I type so slowly.
It is ____ waste of time for young men to devote themselves to playing computer games on ___ Internet only for _____ pleasure.
---What’s the chief ______ of the world this year?---I think the Twin- Tower was destroyed.
— Excuse me!— _____— How can I get to the nearest post office?
Be careful with such things. If you _____, you’ll drop them.
Not until Dec. 2003 _____ caught by the US soldiers, and it was a great victory for the USA.A. was Saddam Hussein B. Saddam Hussein wasC. had Saddam Hussein been D. Saddam Hussein had been