The illness from which Mary is suffering has now been _____ as hepatitis (肝炎).
The flood is believed ____ more than 50 people and made thousands homeless, ____ it perhaps the most destroying flood in history in the area.
How can you expect to learn anything ____ you devote all your energies to playing computer games?
He ____ down his life for the cause of freedom.
My most famous relative of all, ____ who really left his mark on America, was Rob Sussel, my great-grandfather.
Did ____ on time make her teacher angry?