One day, 100 people were attending a speech. The speaker was making a speech about happiness. However, after a few hours, people began to lose their attention. The speaker thought of _______ idea. He stopped his speech and asked all of the people to take part in a group activity.

He gave each person a balloon in the room. Each person _______ to write his or her name on the balloon with a black marker（记号笔）. Then, all of the balloons were collected and moved to _______ room.

The 100 people were then let into the room and told to find the balloon _______ their own name. Everyone was _______ searching for their own balloon. People were bumping into and tripping（绊倒）over each other.

But after about five minutes of searching, no one could find their own balloon.

After seeing this, the speaker asked each person _______ a balloon and try to find the person whose name was written on it. Everyone started asking each other for their name. In just a few minutes, everyone had his or her own balloon.

“Can you see what _______ ?” the speaker said. “The balloons are like the happiness we look for in our own lives. Everyone is busy looking for their own happiness, not caring _______ happens to others. But sometimes _______ way to find happiness is to help others. Help them find happiness ________ you can find your own.”

There once lived a bird and her two babies in a forest. One day, there _____ a big storm. A heavy branch fell and killed the mother bird. The wind blew the baby birds away. Nobody knew _____ they were alive or not. Luckily, they all survived. One of them came down near a cave where robbers lived. _____ landed outside a wise man’s house.

Days passed and the baby birds grew up. One day, a king came to the forest. He said to himself, “_____ an animal, and I will be extremely happy.”

He saw a deer and rode after it deep _____ the forest. Soon he lost his way. Very tired, he sat down under a tree. Suddenly, he heard a voice. “Quick! _____ is here. Come and take his gold and horse. Hurry _____ he’ll run away.” The king looked up _____. He saw a big, brown bird. He also heard low noises _____ from the cave. He rode away immediately. A few moments later, feeling frightened, he rode even ______.

Soon, he came to ______ wise man’s house. He heard a gentle voice. “Welcome, Sir. Please go inside and rest.” The king looked up and saw another big, brown bird.

Later the wise man came back. The king told him the story of the two birds. “They look so alike, however, ______ differently they behave! The forest ______ with surprises.” The wise man smiled. “After all, one is known by the company one keeps. That bird has heard so much talk about robbing ______ he talks like a robber now. This one has repeated ______ he has always heard. He welcomes people.”

Aaron had just moved to a big city to start a new job. The crowds, the noise, his heavy work…it all weighed on him until he felt like giving up. He found no joy in _______—life just hurt.

But one day, as Aaron was _______ his way to work, he saw a homeless man on the street. He stopped and had a short chat with him. All of a sudden, he _______ up about his life and complained （抱怨） about the difficulties he was facing. _______ man patiently listened the whole time. Then a question _______ by Aaron.

“I’m sorry, but I was wondering _______ you ended up homeless,” Aaron asked.

“I was in a war. I saw many of my _______ die. I hurt badly and couldn’t find a job when I came home. While I was gone, my wife decided _______ me. I lost everything. Life hurt so much,” the man said. “But I’m thankful for every single day that I’m alive. _______ life hurts, it is worth living.”

Aaron came to his senses. Compared to losing one’s friends in a war and becoming disabled, his own problems seemed __________ to deal with. If this man could still see the bright side of life after all he’d been through, then maybe he could too.