giai thich vi sao lai chon nhu the A party is a social gathering intended primarily for (21) ______ and recreation. Parties provide numerous (22) ______ for social interaction of various kinds, depending (23) ______ the participants and their standing of the accepted behavior for a given occasion. As a result, they tend to reinforce cultural standards. The purpose of the party is to bring together a group of people in a congenial atmosphere. All (24) ______ relationship is made pleasanter by simple good manners. This is especially true of table manners, a type of etiquette used when (25) ______. Different cultures have different standards for table manners. 21. A. ceremony B. recollection C. anniversary D. celebration 22. A. challenges B. occasions C. opportunities D. changes 23. A. in B. on C. of D. for 24. A. social B. national C. international D. personal 25. A. eating B. drinking C. talking D. playing