Unit2 My Schoolbag Part B Lets talk,Chinese book 语文书,English book 英语书,maths book 数学书,storybook 故事书,notebook 笔记本,A:Whats this,a maths book,B:Its _,A:Whats this,an English book,B:Its _,A:Whats this,a notebook,B:Its _,A:Whats this,a notebook,B:Its _,A:Whats this,a storybook,B:Its _,A:Whats this,an English book,B:Its _,a 用于以辅音音素开头的单词前面。 (不是辅音字母) an 用于元音音素开头的单词前面。 (不是元音字母,Attention 注意,notebook,What colour is it,Its brown,key,What colour is