为什么是Can Sally play ping-pong?而不是Is Sally play ping-pong?

为什么是Can Sally play ping-pong?而不是Is Sally play ping-pong? Can he piay the trumpet为什么是play,而不是 plays? aunt sally 为什么是众矢之的的意思 play过去式为什么是played? Sally can h___ speak Chinese? play 与 play with区别为什么是play games,play basketball,play with the toy,play with the computer? sally going at home last weekend 为什么是ing不是过去式sally going at home last weekend 为什么是ing不是过去式什么意思 你会玩中国功夫,表演给我们看为什么是 you can play Chinese kungfu,come and show us. I am surprised they can play in this heat.为什么是surprised 不是surprising吗?不是现在进行时吗? —your brother_basketball?a、does play B、can playB是对的,但是a为什么是错的 He can play the piano.I can play the piano,too.(改为同义句为）He can play the piano.( )( )( ).( )he( )I can play the piano. 根据句意及单词首字母写出单词 I can play the g[ ] ,but can't play the p[ ] sally Jack can p;ay the piano and he can't play it well.修改病句 I like P.E. class. I can play( ) in P.E. class. p 22北京时间为什么是 , The ___ (twin) brother likes sports, but all the three can't play sports well.答案是twins' 请问为什么是所有格的形式? Sally is good at ___(play)the violin.