VI/

1) enjoyment 

2) collector

3) overweight 

4) toothache 

5) unhealthy 

6) donators 

7) voluntarily

8) homeless

VII/

1) play -> to play/playing

2) interest -> interesting

3) wait -> are waiting

4) have donated -> donated

5) Did -> Have

6) and -> but

7) more -> less

8) bored -> boring

VIII/

1) What is your favourite hobby?

2) When does he spend carving eggshells?

3) Who do you often share your hobby with?

4) Why did she go to the doctor?

5) How many calories do people need a day to stay in shape?

6) When did you start working as a volunteer?

7) What have you done so far?

8) How long has your mother done charitable work?