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 Bill play ping-pong( -Sure ping-pong is favorite. play ping-pong 是“play ping-pang”还是“play ping-pong” Do you like play ping-pong?为什么是错的? Let's play ping-pong. -I often play ping-pong.-Great!I can play ＿ (you) (play) (with) (I) (can) (ping-pong)连词成句 bob can play ping-pong ( )(good) 适当的形式 Barry can play ping-pong very w_____ 补全单词 I can play ping-pong的问句是什么 已知答句I can play ping-pong.