1. 等級   grade   pencil sharpener   teacher   book   Hint Half-n-half Clue   2. 学校   paper   bag   pencil sharpener   school   Half-n-half Clue   3. 机   blackboard   pen   desk   chair   Half-n-half Clue   4. 黒板   student   blackboard   pen   grade   Half-n-half Clue   5. 鞄   bag   desk   pencil sharpener   ruler   Half-n-half Clue   6. 万年筆   pencil   pencil sharpener   pen   grade   Half-n-half Clue   7. 鉛筆   blackboard   pencil   ruler   paper   Half-n-half Clue