(2011·江苏)The fact that so many people still smoke in public places ________ that we may need a nationwide campaign to raise awareness of the risks of smoking.

John is one of the staff members who ___to be sent abroad for further study.

The population of China___ to many times what it was in 1949, and most of its population ___ farmers.

There ______ a library and three Xinhua bookshops in the town.

 _____about the earthquake in Sichuan keep everyone in deep sorrow.(悲痛)