Some teachers seem to be bad teachers, but they are not. Take my football coach for example. One day, we were doing some ______ practicing catching the football. He threw me a pass and I dropped it. He started ______ me. I went back in line, ______. My friend was up next. He dropped it, too. But the coach said nothing. Annoyed, I whispered, “Why ______ against me?”

After practice he came ______ to me and told me the reason he shouted at me ______ the other guy was that he expected more out of me. If he ______ my mistakes, it meant he had quit on me.

Another teacher ______ my mind was my PhD supervisor, Ken Crowe. He had a(n) ______ for making grown men cry when they disappointed him, but I was ______ by the topic he was working on.

He gave me a(n)______: to figure out what caused muons to get depolarized (去极化) in liquids. After a week I came to Ken’s office to tell him about it. He listened for a few minutes and then ______: “You have no idea what you’re talking about! Get out and don’t come back until you do!” Now I was starting to get ______, complaining about him as cold-hearted.

Bent on changing his attitude and ______ more relevant knowledge, I really got into it._______, I understood it so well that to this day it is my most proud ______. Then I went back to tell Ken what I had figured out. Again he interrupted me a few minutes into my ______, but I carried on. When I finished, he praised me for doing some very original research. From that day forward, he supported and promoted me ______ we became great friends and respected colleagues.

So don’t ever complain about your “______” teachers. They may ______ you to make greater achievement you will be proud of decades later.

As I was taking a walk with my mom，I asked her，"Have you taken the senior bus yet?" I held my breath as I waited for her ____．"Oh，yes，I have，"she said．"How was it?" I said the words as_ ___ as I could to show my excitement，even though I sensed the answer was not going to be ____．She sighed heavily，"No one ever ____ on that bus．They all sit there quietly and look sad．I only see about thirteen ____ old ladies and men." My ____ for her situation grasped my stomach．

My dad had recently passed away, and his sudden leave made my mother _____and frightened. For fifty-seven years, my dad had walked by her side. Mom never learned to ____, so Dad drove her everywhere. Now，her wheels were gone，as one grandchild so properly ____ her situation．I knew she needed great ____ to make the decision to take the senior bus. However, I firmly believed the ____ wouldn't last too long, for Mom was so outgoing and active that she could chat with almost everybody whom she met in the street．

Several days later，when I came to visit her，I asked. “Do they talk to you now? " She ____ and there was a sparkle in her eyes. It didn't take genius to figure out that the ____ had changed．"It was silly that all of us must sat there ____ saying a word．So one morning when I ____，I greeted them and then remarked what a nice day it was．Soon，they began to ____ and we chatted happily．Now we are friends and always have some good ____ on the bus，"she replied．

My mother held the key to the ___ _of the other lonely people on that bus．A smile and some ____ words were all it took．She sowed tiny seeds of ____ for herself and her friends on the bus．

It was a typical hot Chicago day in August 1996 when the emergency call came for Jacob’s firefighting crew to handle a big fire in an apartment building. When they ________, a young woman came running up to them ________ at the top of her lungs, “My Kris is ________ on the fifth floor.”

Immediately, Jacob and another firefighter made their way up to the fifth floor. The fire had grown so ________ by then.” As a fireman I knew the chances of us ________ if we went down that hall were slim.” says Jacob, “But I just kept seeing that mother’s ________ in my head.” So Jacob rushed down the hall without his ________ and finally found the boy lying on the floor in the ________ spot that wasn’t on fire. “I just ________ the boy and rushed out,” says Jacob.

Jacob was a hero, but little did he know how his ________ decision on that memorable day would affect his own ________ some 20 years later.

At age 43, Jacob was diagnosed with end-stage kidney (肾) failure. “I really didn’t know where to turn. That’s ________ I got Kris’s call.”

Now Kris could finally repay the ________. Soon he was at Jacob’s doorstep with a lifesaving________. “He said, ‘It’s your lucky day; I’m the ________ blood type,’” ________ Jacob. “I was in shock-and he said, ‘I’ve got two kidneys, and you can ________ one.’”

The ________ turned out to be a perfect success.

“Jacob has been there all my life to give me guidance and help me make ________. I’m just glad there was something I could ________ to pay him back for saving my life.” says Kris.