Traditionally，college students hold a graduation ceremony to encourage themselves before they________on their life journey.                              

During the floods the cars, trains and buildings could not survive, ____the people who stood in the way.

The company always      great importance to the quality of their products. That’s why there is  always a steady increase in sales year by year.

The bad man ___ .

Students should always remember theory and should not at all be ___ from practice.