With a worried face, I was looking at the book of physics. My exam was tomorrow and I had not studied well. My heart was beating and my hands were trembling. I tried to open the book and learn something but all of my efforts were in vain. I had no hope. I was the most unfortunate soul of the universe.
The alarm clock was ringing to annoy me. I thought that I slept while I was trying to learn the book. I looked at the clock. The small hand of the watch was at 8.
What?
I was late! I had only one h