It is said that the Olympic Games ______ in London in 2012 will cover more events than any other Olympics did.
Students in Dingli Senior High School are walking along the street, _____ a small red flag.
How ___Mike have refused such a good opportunity to go abroad for further study?
–Why must you go shopping in such weather? –My coffee has _____.
Once ____in the examination, your grade will be cancelled immediately.
Plastic forks, knives and spoons can be washed and used again___ being thrown into the garbage.