John is keen on sports.

John is keen on sports. John is keen on reading novels(保持句意不变) I am keen on sports I am keen on sports. l an keen on sports 同义句 i am keen on sports同义句 My bother is an engineer和She is keen on sports 的疑问句 1Judy is keen on sports.(be wery interested in ...)Eery day 急1.she is (thirteen years old)对括号部分提问2.I's keen on sports.(同 I'm keen on sports.(同义句转换） I am keen on sports（画线部分为sports,就画线部分提问） --you keen on? 同义句 She is keen on singing.