He_______the book and decided that hewouldn’t buy it

rld’s elderly population will exceed ____ of children by 2060,when each group ____ toaccount for about one fifth of the population.

The similarities between social networks are striking.—That ________ come as no surprise，because they are all products of the Internet.

It’s time for you _______ actions.

Samaranch, whoisold friend of Chinese people, diedon April 21, 2010.