.31.All parents are willing to risk ________ their lives to save ________ of their children when a disaster is approaching.
---- Must we clean the house now?-----No, you _______.
It was almost midnight when the fire ____ in the neighborhood.
A lot of policemen were sent there to ____ the football fans from making trouble.
He forgot to turn on the radio. _____, he missed the program.
_________the wounded soldiers need are good doctors and medicine.