we ( ) playing football that day A.be involved in B,am involved atc.got involved in d.got involved on应该选哪个?求详细分析,以及说出其他为什么不能选的理由.

look!that young man is p____playing the piano.what about ______after school?A.playing the footB.practice playing the pianoC.to go to the moviesD.practicing playing backetball we don't stop playing as we are old,we grow old because we stop playing We like playing football.playing football划线提问 We s______much time playing computer games. are,playing,we,togther.连词成句 We ( )playing basketball after school every day. We are playing football now.提问. We saw the pupils are playing football. We would like to playing today 改错 we are playing football..对we进行提问 playing playing 阅读题It is Sunday today.The weather is fine.Mingming and Dongdong are in the park.It is a big park.They can see many people there.They come here to have a rest (休息)after a week’s hard（辛苦的）work and study.Some boys are playing footb We like playing football.变否定句playing用变回原形吗那变成一般疑问句呢，playing用变吗 We had great fun playing in the water.这里为什么用playing不怕深奥 几句改同义词在先等(急)we all like playing football_____ _____ ______like playing football对的话, We like playing sports(对划线部分提问) ____________划线部分是 playing sports we are playing games in the field.（划线playing games)用划线部分提问