The Mid-Autumn Day, which is a day for family reunion in China, _____ on September 12th this year.
They keys were __________ to our neighbours during our absence.
–Are you a teacher? --No, but I ________.
–You speak very good Chinese. --Thanks. I _______ it for 4 years before I came to China.
The Education Bureau gave a warning to each school without any _____ when the virus of H1N1 hit our city.
Expect everything to go wrong in advance, ___ you may feel quite so bad when it does.