1.What is Liu Hui invited to do?正确答案：Liu Hui is invited to take part in the activities of Social Work Association. 
2.What are the volunteers supposed to do when they meet the victims of domestic abuse?正确答案：The  volunteers are supposed to talk to the victims express understanding and provide them with information for anti-abuse programs.

3.Where will the two volunteers meet?正确答案：At the Social Work Association.