Lesson3 Lets play,heavy,light,This ball is heavy.,This ball is light.,1+1=2,This is easy.,666999=?,This is difficult.,throw the ball,catch the ball,be ready to 为 做好准备,Im ready to go to school.Are you ready to go to school?Are you ready to learn to play Ping-Pong?,hit the ball,hit 某物 to 某人,Please hit the ball to Danny.Im hitting the ball to Jenny.Can you hit the ball to Kim?,Good-bye!,
