do,give,go on, raise, take part in, work.
1.We _____ the charity walk for Children in Need yesterday.
2.What can you ______ to help?
3.Can you ____ a small amount of your time to help us?
4.I _____ on a helpline for children with serious problems.
5.They hope to _____ a lot of money for the charity.
6.We _______ voluntary work every Tuesday.