请认真阅读下面短文，并根据短文内容回答问题．

（1）Why did Stephen and Andersen have the charity walk？　　

（2）Which state did they start off from？　　

（3）Where did they sleep during the journey？　　

（4）What do you think of Dimitri Olympidis？　　

（5）How would you like to help with charity work？（请自拟一句话作答）