让两个小朋友一前一后站着，前面的小朋友手拿铅笔，后面的小朋友手拿橡皮
老师说，What's this? What's this?前面的小朋友说：it's a pencil. It's a pencil
老师说： what's that?what's that? 后面的小朋友说, it's a rubber. it's a rubber.
然后让三个小朋友，一问二答。

有的学生学得混乱了，那天我说That's my new...很多学生回答No,it isn't.看来还是要加强练习啊。