Playing sport is good for health.Sport为什么不加s?

sport is interesting an football playing 怎样连词成句 We all like playing baseball.It is a r--------sport Playing basketball is my most favorite sport.改错 My favorite sport is playing soccer.的 sport 是否要加s Playing sport is good for health.Sport为什么不加s? his favouriete sport is playing basketball 划线部分提问划线部分是 playing basketball My favorite sport is playing table tennis .请问；为什么要用playing? My favorite sport is playing basketball.为什么加ing?My favorite sport is playing basketball.为什么加ing?将playing去掉可以吗? nothing is real-The goo goo dolls歌词 my favourite sport is playing football my favourite sport is play football 这两句话有什么区别?my favourite sport is +动词原形还是现在分词? My favourite sport is playing football.可以等于 Playing football is my favourite sport.吗?头疼死我了,不能的话又等于什么?能不能快点 Playing tennis is Li Na's favourite sport.(改为同义句） ______Li Na's favourite sport _____ ______ _______. It is said that playing r---- is a kind of rough sport.(首字母填空） is good for your health.A.play sports B.Play sports C.Playing sports D.Playing sport My favorite sport is playing basketball 中的play后面为什么要加ing形式 以My favourite sport is playing badminton写一篇英语作文 My favorite sport is playing basketball 中的play后面为什么要加ing形式 My favorite sport is playing……中的play后面为什么要加ing形式