One summer weekend, my wife, son and I entered a running race on mountain trails（小径）. When the race started, our son took off _______, but my wife and I stayed back and ran together, enjoying the scenery. After some time, while running down a narrow, _______ trail, I walked on a big stone and had a _______, and in the process, I jammed my toe pretty hard. I realized I’d got my toe _______, but I didn’t take off my shoe and sock to check my _______. Instead, my wife and I kept running.

____, after going about half the course, I realized my watch on my wrist was _______. Slightly discouraged, I encouraged my wife to go on ahead, and I would _______ to see if I could find it. After running back for some time, I _______ my broken watch off the trail. I picked it up, and quickly put it into my pocket. Then I ________ down the trail. When I was near the end, I saw my son, who had finished 30 minutes earlier and had run back up the trail to ________ me. He ran with me to the end.

As it turned out, both my wife and son had ________ first place in their age groups, but I had no chance of placing. As I sat down to ________ after the race, I decided to take off my shoe and check my toe, and I found that my sock was in blood. Painful and hurt, there was a bright side. I ________ to receive any award in my age group, but the race ________ had a special award which was given to the most injured runner in the race.

So, how does this ________ relate to you and me in everyday life? Although everyone wants to live a life of comfort, the ________ is that we often face pain and ________. However, the key to real happiness is ________pain into something positive. In other words, ________ can make us stronger if we face them bravely.

   Just like everyone，I have experienced ups and downs in my life. I am an aerospace engineer（航空工程师）from India. I was told by my relatives，close friends and others that it was _________ for a non-IT student to pursue（继续进行）a master's degree in IT and graduate from a US university.

I had never taken courses _________ to computers or programming. I was never interested in being a _________，but things changed. Computers became my companion and I _________ how dependent on them I was. I _________ imagining the backend processes happening inside the CPU and they amazed me. That's why I _________ to pursue a master's degree in IT.

At first，it was too _________. Coming from a middle-class family，the huge cost was a big _________. My English accent was terrible. Most _________，the course seemed impossible at first. But I never __________.

I got a few offers，but I decided to choose my university __________ it promises students to help them learn practically. During my first month，it was difficult to understand the American's __________ and finish my assignments. But I never gave up. I walked two miles to the __________ every day so that I could use my travel money to buy a meal. I started looking for __________ and I got an offer to work as a student assistant.

I took it as a __________, and I believed that hard work was my strength. Right now I am graduating with good grades and a job offer from a company that has asked me to start right after ________.

If you want to achieve something, you need to __________ yourself and start working on your __________.

Hard work always pays off. To be __________, you need to start from somewhere and always question yourself about the limits of how far you would go to __________ your goals.