A 19-year-old teenager from Guangdong nicknamed Niko demanded an apology from Youku, which he believed violated their copyrights as it used his team's photos without ______.
The government's strong action demonstrated its _____ to crush the rebellion.
. New mineral resources may be discovered during the forthcoming Antarctic _____.
. Probability is the mathematical study of the _____ of an event's occurrence.
. Driving a car without insurance can have _____ consequences.
. The police refused to _____ the clues they were working on.