When the exam is over, you should hand in your exam papers, finished or _____. 

The man was charged for blowing______some government buildings in Baghdad.

One advantage of eating a balanced breakfast is ______ it can keep you energetic throughout the day. 

The charity sale our school organizes every year has taught us much that we would never have _____ learned in class.

Faced with the exams, we should work as hard as we can.       , we shouldn’t do it at the cost of our health.