Studies at school and university

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Across
  1. 1. Students carry their things in it
  2. 4. The head of the class
  3. 7. With the help of it you can write words on the blackboard
  4. 8. A second-year student
Down
  1. 2. Helps to remove unnecessary marks
  2. 3. A room where PE lessons are held
  3. 5. A lesson in which a teacher explains some questions of students
  4. 6. It is forbidden on the exam
  5. 9. with the help of it you can fix something on the other thing