4、九岁了21.Howmanycakes?你要几份蛋糕?Onecake.一份22.Let’sgotoschool.让我们一起去上学吧?OK.好23.HappyTeachers’Day.教师节快乐Thankyou谢谢24.Whatcolourisit?它是什么颜色的?Itisred它是红色的25.Whereismybook?我的书再哪里?Thereitis!在那里!Welcome.欢迎。26.Whatisthis/that?这/那是什么?Itisabook.它是一本书This is for you.这是给你Thankyou谢谢27.Whoareyou?你是谁?I’mJohn我