一、1、several
2、Joy
3、feeling
4、raising
5、journey
6、alone
7、sick
二、1、studying
2、satisfy
3、to care
4、homeless
5、to go
三、1、try out for/take part in
2、go on a journey
3、worried about
4、raise money for
5、In my free/spare time
6、at the same time
7、come true
8、at the age of