Ответы и объяснения

1. I have taken part in a fundraiser. It was help for a zoo in my town, i gave some money there.
2. I would orginize some event for help to difficully sick children 
3.I would volunteer to give my clothes for poor people.
4.As for as I know,people raise money for disableds
5.I have never been to a housewarming.