Unit1 ClassroomLesson 1on在… . 上面in在……里面under在……下面Put your ... on/in/under the ....Let’s doPut your schoolbag on the chair.Put your schoolbag under the chair.Let’s playPut your ... on/in/under the ....Let’s chant.•On my desk,•I can see,•A book for you,•A book for me.•Unde...
