a. As a consequence, I have become much more aware of how difficult it is to work in customer service and learned to be more patient with employees.
b. I was required to stand for nearly eight hours a day, arrange products on shelves, and deal with demanding customers during the holiday season.
c. Working part-time at a supermarket last summer was a tiring but valuable experience for me.
d. Before taking the job, I had never imagined that retail work could be so stressful and exhausting.
e. By the end of each shift, I was completely worn out and sometimes too tired even to eat dinner.