On a Monday afternoon in February 2007, Gretchen took Liam, her 2-year-old son to her doctor because of some new habits—longer naps and pickier eating habits. After some __________, the doctor told her the _____________ news: Her son had cancer that affected nerve cells.

Liam began three rounds of chemotherapy (化疗) and then later underwent 12-hour surgery that _____________ him on a ventilator (呼吸机). Meanwhile, Gretchen __________ in the hospital that among diseases, cancer was the number one killer of children in the United States.

“Pediatric (儿科的) cancer is just so __________,” said Gretchen. To ask for help without scaring people off, she __________ to bake cookies—96,000 of them, over a few weeks—in exchange for __________. She founded a studio in Brooklyn and launched a website to __________ the cookies. She packed the cookies with __________ to raise awareness about pediatric cancer. As local news stations __________ the story, the cookies __________ sold out.

“Everyone says, ‘I have no idea cancer is the number one disease killer of children. How can I _________?’” Gretchen said. “It is not because people don’t care about kids who get cancer; it is because they just don’t __________ the cancer.”

______ the ovens cooled, Gretchen developed a(n) __________ to help other people improve bake sales. In September 2008, she launched the non-profit Cookies for Kid’s Cancer to __________ research dollars for five powerhouse pediatric cancer centers. Other fund-raising events began to spring up __________in all 50 states as well as overseas. Cookies for Kid’s Cancer has already raised more than $7 million for pediatric cancer research and has helped fund six new treatments for kids since 2008.

“Smile!” I shouted, flashing a bright yellow poster at a crowd of people in Seattle.

We were 3,000 miles away from home on a Random Acts of Kindness road trip. Our _______was to try out our new “Smile!” signs and see how much kindness and joy we could _______

We weren't sure how people would _______ our signs. It's so easy to walk past a busy crowd, lost in your own world, _______ to make eye contact with strangers and feeling _______ while surrounded by hundreds of people. I _______ raised up a sign and shouted, “Hi there!” to a young couple. They looked over, _______, then read my sign and broke into smiles. They even nudged (轻推) a person beside them, gesturing to our sign so their friend could _______, too.

This might _______, I thought.

Before long, our signs were ________ . Tourists wanted photos with us. Strangers stopped to ask us about our ________ and we told them the story of our Acts of Kindness road trip. The famous fish vendors (小贩) changed their ________ from “FISH! FRESH FISH”' to “HEY! SMILE, EVERYONE.”

Sometimes I'd see a(n) ________ face and feel nervous to show my sign, but I tried not to judge. I'd ________be rewarded with a big grin (咧嘴笑),as suddenly a frowning elderly woman turned into my ________ old grandmother.

Some people ________ if they could have a “Smile!” sign to take with them. One bus driver put a sign in his window; a bicyclist that ________ one of our signs emailed us several years later to say he still uses it whenever he races.

The signs are more than a(n) ________to smile — they're an excuse to connect with ________and to remember we're not alone. This world is full of ________ people we just don't know yet.

Despite the weather or the distance, Paul Wilson will make sure low-income students in his neighborhood arrive at their college classes on time.

A retired engineer, 76-year-old Wilson has been _______ free rides to college students for the past eight years. Since he first started _______ his car to the young people, Wilson has _______ an astonishing 64, 000 miles, and has had countless pleasant and often humorous _______ with the students he transports to and from school. The students who he’s _______ have gone on to become physicians, teachers and engineers, but what they’ve also got out of their time in school is finding a role model and a friend in Wilson. Some students _______ call him “Grandpa”.

Tina Stern _______ rides from Wilson for all her four years in college, and the trips meant much more to her than just free _______. “It’s not just a ride; you’re not just sitting there in _______ silence or with your headphones on.” Stern said. “He asks you questions and actually ________ the answers, so the next time you ride with him, he’ll ________ those things.”

Wilson first worked as a driver through a student-support programme of the non-profit organization, On Point for College. Although the ________ asks the members only to drive students to and from their classes, Wilson often goes ________ to ensure the welfare and safety of the students.

If they have problems with registration, Wilson is there to ________ them. If they run out of certain daily necessities, Wilson will drive to the nearest store and purchase what’s needed. If a student gets hungry on the long drives to and from school, Wilson never ________ to buy them a meal.

For many students, Wilson’s help is not only appreciated, it’s also entirely ________ for them to be able to complete their college education. Some students don’t have a reliable car, while others have to ________ vehicles with parents who work six days a week. For them, riding with Wilson has ________ them to complete their education – but according to Wilson, he benefits just as much from the ________. “I just love driving and I love these kids, “Wilson said. “It’s such a(n) ________ to be a part of these kids’ lives, even just for a few hours, getting to know them and hearing their stories.”