(2012安徽卷)The athlete's years of hard training when she finally won the Olympic gold medal.
We have every reason to believe that __________ 2012 London Olympics will be ________ great success.
—Madam, could you please tell me how to get to the nearest post office? —_______
Entering the room, I found Mary ______at the desk and ______a letter.
_________on the main street, the market was busy yesterday.
They were surprised that a child should work out the problem _____ they themselves couldn’t.