The government’s strong action demonstrated its _____ to crush the rebellion.

In order to attract more customers, many supermarkets usually sell their goods at a good________ at weekends. 

Those who don’t get their sufficient sleep are actually sending a(n) _____ to severe problems in their life.

The country’s 　　　is based on trade.

According to a UN report, a third of the world population have no ______ to clean drinking water and health care．