He is "playing" piano now. 有now (现在)就一定要用现在进行式,所以play 前面要加is, 而play 当中就要加ing ,变成 is playing
play应该是playing。应为该语境中他是正在弹钢琴,应用正在进行时。
He is playing the piano now加上the为你解答,敬请采纳,如果本题还有疑问请追问,Good luck!
he is playingh piano now