--_______your art teacher? --Mr Young
A. What’s B. Who’s C. Where’s
读一读，找出每组中不同类的一个. 
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 .
I’d like some ________ .
A.tomato B.tomatos C.tomatoes
I have three new ________ .
A.teacher B.teachers C.teaches