I have a pencil box. 我有一个铅笔盒。 It is red and small. 它又红又小。 I put my pencils in it. 我把铅笔放在里面。 I put my eraser in it. 我把橡皮放在里面。 I put my ruler in it. 我把尺子放在里面。 It is on my desk. 它在我的课...