电子课本网 第11页

第11页

信息发布者:
--Is this your pencil case?
--Yes, it is.
--Is it your crayon, Yang Ling?
--No, it isn't.
--What colour is your crayon?
--It's red.
作业精灵老师示例:
--Is this your schoolbag, Helen?
--Yes. Thank you.
--Is it your ruler, Mike? 
--No, it isn't.
--What colour is your ruler? 
--It's blue.