Caine Monroy is not afraid of hard work. The 9-year-old boy has a(n)________. He wanted to build his own arcade (街机) business out of the used cardboard boxes in his father's small________. It took him a year to bring his dream to life, averaging about one game per month.

A shy boy with a sweet smile and a strong________, Caine had little trouble creating his games. The________lay in getting customers. His father's business had________in the worsening economic situation these days, and received little foot traffic.

It was a bit of________that brought filmmaker Nirvan Mullick to the store, in search of used parts for his car. He was________to find a cardboard arcade at the front of the shop, along with a young entrepreneur (企业家). Caine told him how the arcade worked. Quickly recognizing the passion (情感) of the________young fellow, Mullick found Caine's work so________that he made a short________, Caine's Arcade.

Mullick posted his short work online, and it went viral in a big way________.The film received over 3.5 million views on Vimeo and YouTube in just four days. Many people________for a chance to visit the arcade. Meanwhile, for kids around the world, Caine has become a(n)________. In classrooms around the world, teachers have been showing Caine's Arcade,________DIY creations from students.

In honor of Caine's achievements, Mullick's Imagination Foundation is now________the first ever Global Cardboard Challenge, inviting the world“to build anything amazing out of cardboard and recycled materials”.

We would all love to learn how to be happy. And sometimes, the ______ comes from a surprising place.

There was an anthropologist (人类学家) who had been studying the habits and ______ of a remote African tribe. He had been ______ in the village for ______ some time and the day before he was to return home, he put together a gift basket filled with delicious fruits from around the region and ______ it in a piece of cloth. He placed the basket under a tree and then he ______ the children in the village.

The man drew a ______ in the dirt, looked at the children, and said, “When I tell you to ______, run to the tree and ______ gets there first will win the basket of the fruits.” When he told them to run, they all ______ each other’s hands and ran together to the tree. Then they ______   together around the basket and enjoyed their ______ as a group.

The anthropologist was ______ . He asked why they would all go together when one of them could have won all the fruits for himself or herself. A ______ girl looked up at him and said ______, “How can one of us be happy if all the other ones are ______?”

Years later, the well-known South African activist Desmond Tutu would describe the little girl’s ______   process by using the word “ubuntu”, which means “I am because ______ are”. People in that tribe believe that a person is a person through other people. Happiness is the ______ of combining what we love to do with something that is ______.

As the saying goes, every cloud has a silver lining. Nikki Christou, a young girl from London, has an abnormal connection between the arteries (动脉) and veins (静脉). It has resulted in a _____abnormality. But Nikki, who’s a huge makeup enthusiast, doesn't let anything or anyone _____her style. She makes makeup lessons for her YouTube page _____and has become a star. Through the videos, she hopes to _____others who may also have rare illnesses or _____. Nikki wants to inspire anyone with a rare illnesses and show them that _____lies within. Being different should not mean being _____or feeling there is no real place for you in this world and that you don't have a(n) _____role to play.

In her videos, she shares looks for different _____like a dance, a birthday party, a conference and so on. In addition to showing viewers _____looks, she also records other videos that give you a _____at her life, such as baking lessons, Q&As.

____getting hurtful comments from people criticizing her appearance, Nikki says that she _____focuses on the good side. “I don’t let them _____me. Focus on the happy things _____the sad things, because if you focus on the negative, you are not going to _____life,” she said. “Just know if you believe in yourself, really try hard and _____all the negativity in your life, you will lead a happy life. You only live once, and you cannot be _____hardworking.”

As if being a YouTube star wasn't enough of an achievement, she is also the _____behind The Butterfly AVM Charity, a charity set up by her parents to fundraise for research into the illness. She has also helped _____more than 55,525,65 British pounds for the foundation through a crowd-funding campaign.