Is it just a(n) _________ that the wife of the man who ran the competition won the first prize?

In some parts of the world people had strong _____ in the return of the spirits of the dead.

 ---- Why don’t you try to do exercise to lose weight? ---- I have tried everything but it has made no _____________.

Now an increasing number of middle school students go abroad for further study at their own ________, trying hard to realize their dreams.

Many nations have promised to reduce greenhouse gas emissions, but are falling short of the _______ reduction of 25 to 40 percent of 1990 levels.