我会补全对话.

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 .