Situpstraight.Saypleaseandthankyou.Don’tputyourelbowson...
问题详情：Situpstraight.Saypleaseandthankyou.Don’tputyourelbowsonthetable.Mostofusweredrilledfromanearlyageinpropermannersandetiquette.Butmannersandetiquette(33)_______varywidelyindifferentcultures.Tak...