The Internet has __________ big changes in the way we work.

Scientistshave many theories about how the universe ___ into being.

I haven’t seen your sister for a long time. – She _______ Beijing on business for a month.

He keeps himself._____of the current events by reading three newspapers a day.

away from Beijing, Shanghai, andGuangzhou” has been a slogan for some of China’s younger generation______ areunder unbearable economic pressure to survive in cities