We should primary importance to the development of economy.[ ]

On April 14, 2010, many people dressed in black with white flowers ______ their chests observed three minutes of silence in memory of the victims in Yushu Earthquake .

________ you be happy! —Thesame to you!

If our government _________ attention to food safety now, our health _______ in danger.

There _____ calories in water.