It’s true that we need some forms of recreation(娱乐)．lf we are going to keep healthy and enjoy life，we can't work all the time． Everyone has①他自己的方式of relaxing． Perhaps the most popular way is②______ (take) part in sports． There are team sports，such as baseball， basketball and football． There are individual(个人的)sports，such as golf and swimming． Fish- ing，skiing and hiking are also great③______ for people． Not everyone who enjoys sporting events likes to take part in them． Many people prefer to be spectators(观众)，④_________by watching them on TV，④__________ listening to them on the radio． When there is an important baseball game or boxing match on，it is almost impossible to get tickets to see it live(现场直播)． ⑤Chess，card playing and dancing are other forms of indoor recreation enjoy by many people． It's important for everyone to relax from time to time and enjoy some forms of recreation． 21，将①处译成英语： ______________________