Fill in the space:
Amal has worked in nursing for many years. She ..............(a).............. in charge of four other nurses and she is respected ..............(b).............. each member of the staff at the hospital. It is difficult and sometimes very stressful work. She is responsible for the health of a  .........(c)........ of people. However she always feels happy when people recover and finally go home again. I remember while she ..............(d).............. staying up late, she fell to the ground and was in bed for two days because of hard work.