我会补全对话. (15分) Tom : Good afternoon ,Jack . Jack : Good afternoon .What do you have on Wednesdays ? (1)Tom : ____ (2)Jack : Great!__ __ Tom : I often play ping-pong . Do you like playing ping-pong? (3)Jack : _______ And who’s your PE teacher ? (4)Tom : _________ His class is funny . Jack : I know ._______ (5)Tom : Potatoes and beef .