The old king decided to retire and theheavy load of responsibility to his three daughters

Studies show that the things that contribute most to a sense of happiness cannot be bought，______ a good family life，friendship and work satisfaction.

The heavy rain made him _________ at home all day.

_______was most important to her, she told me, was her family.

The government is now trying to provide _______ health benefits to all citizens in China.[ ]