There is a blackboard in front of the desk, placed a chalk and blackboard eraser, it is the teacher's good assistant. As I saw the table, I thought of the teacher's mind to teach us, I am very grateful to the teacher.

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Copyright @ 2016-2020 There is a blackboard in front of the desk, placed a chalk and blackboard eraser, it is the teacher's good assistant. As I saw the table, I thought of the teacher's mind to teach us, I am very grateful to the teacher.