americans,like many people in other counties,like to i--- fr

americans,like many people in other counties,like to i___ friends to their homes.formal dinners in fine homes and r____ in the United States are much.guests can aslo serve themselves and e____ in the living room.and almost e____ family has a picnic basket.Summer invitations are often for a picnic at a p___ or in the open countryside 急