Ⅰ、1、volunteer
2、several
3、owner
4、journey
5、notices
6、lonely

Ⅱ、1、them
2、to clean
3、with
4、to help
5、lower
6、lonely

Ⅲ、1、give out/handout
2、clean up
3、cheer her up
4、put them up
5、used to be
6、feeling of satisfaction；on their owners'faces
7、decided to try out
8、travel；alone
9、raise money
10、put off

Ⅳ、1、gave out
2、come up with
3、What did；ask you；do
4、to care for animals
5、l'd like to
6、Do we/ I need

Ⅴ、1 - 5 B A E C D

Ⅵ、B：I’d like to help homeless people.
B：In my hometown.
B：During my university.
B：I will ask hospital to let me visit the kids cheer them up.
B：Yes，I’d love to.Because helping others is a meaning thing.

Ⅶ、1、She’s going to help the forest center build new hiking paths in the mountainside .
2、He is 14.
3、He wants to he a teacher.
4、Jason Moore.
5、He will learn how to build house.