1. 同級生、   paper   chair   classmate   blackboard   Hint Half-n-half Clue   2. 万年筆   pencil   student   pen   chair   Half-n-half Clue   3. 先生   pen   teacher   pencil   student   Half-n-half Clue   4. 机   pen   teacher   eraser   desk   Half-n-half Clue   5. 鉛筆   satchel   blackboard   chair   pencil   Half-n-half Clue   6. 鉛筆削り   eraser   pencil sharpener   teacher   book   Half-n-half Clue   7. 等級   paper   teacher   grade   pencil sharpener   Half-n-half Clue