Our teachers are very strict ______ us in class, but they are kind _____ everyone after class.

Nicky Wu expressed his deep love to his wife Liu Shishi: “ I _______ about my bad luck, but now I’m the happiest man in the world. ”

How is the man injured in the earthquake?—The doctor said if ________ in a proper way，he was likely to be saved.

Special attention should be _____ to air pollution wherever the factory will be built.

In 2009 many countries are going through financial crisis，________has a great effect on many walks of life.