AFTER CLASS, THE CHALK BOARD IS ALWAYS ERASED BY ONE OF THE STUDEN...

25. - 80 CAU LUYEN TAP VE DANG BI DONG HAY CO DAP AN A1052
80 CAU LUYEN TAP VE DANG BI DONG HAY CO DAP AN A1052

25. After class, the chalk board is always erased by one of the students.

II.