1. A severe head ________ (injure)left the fighter unconscious for three days.

2. Ten mentally ________ (disable)workers in a factory were treated badly.

3. I don’t agree with her, but I ________ (admiration)her for sticking to her principles.

4. All his life he has been ________ (struggle)with illness.

5. You should keep ________ (calm)even in face of danger.