点击添加标题点击添加文字Unit1 ClassroomLesson 2oninunderWhere is the Angel?Where is the ruler?It’s on the desk.on the desk.It’s on the desk.Where is the book?In the schoolbag.It’s in the schoolbag.Where is the ruler?Where is the book?on the schoolbagIt’s on the schoolbag.Where is the boo...