If ____ unsolved, the problem of food safety may lead to more serious results.
. Probability is the mathematical study of the _____ of an event’s occurrence.
. New mineral resources may be discovered during the forthcoming Antarctic _____.
The government’s strong action demonstrated its _____ to crush the rebellion.
. Jim was so badly burnt that at first they began to _____ of his life.
. As soon as the children were _____, their mother got them out of bed and into the bathroom.