Lesson3 Let’s playРheavyРlightРThis ball is heavy.РThis ball is light.Р1+1=2РThis is easy.Р666×999=?РThis is difficult.Рthrow the ballРcatch the ballРbe ready to 为……做好准备РI’m ready to go to school.РAre you ready to go to school?РAre you ready to learn to play Ping-Pong?Рhit the ballРhit 某物 to 某人РPlease hit the ball to Danny.РI’m hitting the ball to Jenny.РCan you hit the ball to Kim?РGood-bye!
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