It was the summer of 2021.Liam Garner had just finished high school.He was looking for an "adventure".The boy had some （1）e

xperiences

xperiences

with long-distance biking.His longest ride was from Los Angeles to San Francisco.That was 750 kilometers--about the distance between Shanghai and Qingdao.Garner made short videos of the trip and（2）s

hared

hared

them online.Some of these videos were quite popular.
   Garner wanted to bike an even longer distance.One day，he had a （3）c

razy

razy

idea：How about biking from the northernmost point in the United States all the way to the southernmost point in South America？
（4）

Preparations

Preparations

（prepare） for the trip took about a month.Then，on August 1，2021，Garner left Prudhoe Bay in Alaska（5）

for

for

Ushuaia，Argentina.He wasn't too worried about going the（6）w

rong

rong

way. "As long as I was going south，I knew I was right，" he said.
   Garner ran into many （7）p

roblems

roblems

on the trip.In all，he was robbed five times.He got sick more than once.On some days，it was so hot that biking was almost（8）

impossible

impossible

（possible）.But Garner didn't give up.Finally，on January 10，2023--527 days after he had started --he arrived at the end of his journey.Garner is now on his way home.When he gets home，he wants to write a book about his travel stories.He hopes his ride will（9）

encourage

encourage

（鼓勵(lì)） others to start an adventure."Anyone can do something amazing，" he said. "The（10）

hardest

hardest

（hard） part is having the confidence in yourself."