I am playing with Mary,对“ Mary”提问.用 who 还是 whom

i am playing_______piano but ma brother is playing ___volleyball I am playing football with my friend用了playiI am playing football with my friend用了playing football提问 I am playing with a baby 对 WITH A BABY 划线提问 I'am playing for I'am playing for I am playing chess with my sister.变为否定句和一般疑问句.做两种回答 I am going to the movies with my friends and playing sports.什么意思 I am playing with Mary,对“ Mary”提问.用 who 还是 whom In the last photo,I am playing tennis with my sister l am playing with a toy train i am interested in animals ,so i( )lots of time playing with my pet dog A.spend B.spent I am（）.playing football playing the football play football I am playing football （对 playing football 提问） I am cool with I am cool with i am bored with i am down with i am with you i am down with