The 2010 World Expo in Shanghai is_____ to any other fair held in China this year.
Tell Mary that there's someone_______for her at the door.
Anything worth ______ is worthy of ______.
---Will the Smiths go abroad this summer? ---No, they finally decided _______.
The patient was warned _______oily food after the operation.
Charles Babbage is generally considered _______the first computer.