是“play ping-pang”还是“play ping-pong”

是“play ping-pang”还是“play ping-pong” play ping-pong Let's play ping-pong. 为什么是Can Sally play ping-pong?而不是Is Sally play ping-pong? let"s play ping-pang ball.---------good can Bill play ping-pong( -Sure ping-pong is favorite. Do you like play ping-pong?为什么是错的? Let's play ping-pong.____ good? Does your brother play ping-pong __________? jenny teaches me to play ping-pong I like to play ping-pong I play ____basketball,volleyball and ping-pong.