A．They should submit a report of their needs and goals.
B．They should provide food for the local communities.
C．They should offer all baby animals to their poor neighbors.
D．They should help other families the way they have been helped.

A．They should help maintain the equipment.
B．They should keep a watchful eye on their children.
C．They should stop their children from climbing ladders.
D．They should teach their children how to use the equipment.