---Will Liu Xiang win in 2012 Olympics?---It ________ his training.A. decides on B. works on C depends on D. comes on
—_____ you _____ your homework yet? —Yes, I _____ it ten minutes ago.
It’s necessary for you _____ exercise every day.
—I _______ here since I was five years old.
The Greens _____ China for seven years.
Tom's birthday is coming. Do you know tomorrow?