The protesters called on cosmetic industries to stop _____ experiments on animals.

Every student is required to _____ to the school regulations.

Violent _____ between the employees and the employers were reported.

The government _____ a series of economic reforms.

His love for hamburger _____ after eating them every day for a month.

When the police inquired about his missing wife, the men gave an _____ explanation, which aroused suspicion of police.

Those who win the _____ will go on to the final competition.

After having a fight with Helen, Tom found that there was no _____ of making it up with her in a short time.

The planet which was recently discovered is unable to _____ animal or plant life for its lack of water resources.

Random act of _____ has become more common in this pressure-cooker atmosphere .

Kelly speaks in such a(n) _____ way that everyone listens to her.

Winning three _____ basketball games was a major triumph for our school team.

Mr. Liu's ____ to the study of English history is well-known.

The _____ of the plane ticket is restricted to one year.

Not until this moment did Ben realize that he made a _____ mistake.

A large _____ of the laborers were laid off because of the economic recession.

The dove is _____ of peace.

Some courses are comulsory, while others are _____.

After they signed the divorce agreement, their marriage was legally _____.