Among all the public holidays, National Day seems to be the most joyful to the people of the country; on that day the whole country is ______ in a festival atmosphere.

单项选择题Governments today play an increasingly larger role in the ______ of welfare, economics and education.

单项选择题It was such a(n) ______ when Pat and Mike met each other in Tokyo. Each thought that the other was still in Hong Kong.