One day, my English teacher asked me to help her save back-up（备份） copies of her work in the computer. I then realized I was able to know the grades of all of her students. I   36   her how to copy files（文件） from one disk to another and she thanked me.
A few days later, she asked me to help her again, because she   37   how to do it. When I showed it to her, some students in my class  38   and began to talk among themselves   39  .Later that day, at lunch time, several of them came up to me.
“Hey, could you help us change our grades? We’ll   40   for it.”
I could not believe what I heard. I could get paid for something very  41 . “All right. I’ll do it.” The next day, my English teacher   42   me to help him out again. When he was not paying   43   , I changed their grades from Fs to As.
I soon became very   44   among my friends. They began to treat me like God who could do  45  . Word spread quickly and I became very rich.
Everything was going fine  46  I was called into the headmaster’s office. When I got there, both of my teacher and the headmaster were very angry. “ I don’t want to  47   what your teacher said, but I have to. She has too much evidence(证据),’’ the headmaster said. “Do you have anything to say for yourself?”
“No,” I said finally. I didn’t realize how   48   my behavior had been. I had disappointed my teacher and the headmaster. And there was no way  49  . I had to leave my school. That was a good  50   for me.

A．said B．urged C．knew D．showed

A．lost B．remembered C．reminded D．forgot

A．listened B．noticed C．played D．checked

A．quietly B．luckily C．sincerely D．angrily

A．pay B．praise C．follow D．explain

A．familiar B．easy C．interesting D．pleasant

A．challenged B．allowed C．taught D．asked

A．money B．work C．attention D．interest

A．common B．popular C．modest D．dishonest

A．something B．anything C．nothing D．some things

A．until B．since C．because D．after

A．believe B．reply C．hate D．influence

A．hard B．interesting C．serious D．important

A．up B．in C．back D．down

A．skill B．lesson C．story D．example