1. 统治者   paper   ruler   satchel   student   Hint Half-n-half Clue   2. 学生   student   classmate   chair   paper   Half-n-half Clue   3. 铅笔   pencil   paper   desk   eraser   Half-n-half Clue   4. 书桌   bag   desk   ruler   library   Half-n-half Clue   5. 老师   pencil   desk   pen   teacher   Half-n-half Clue   6. 椅子   notebook   chair   text   pencil   Half-n-half Clue   7. 白垩   chalk   library   classmate   eraser   Half-n-half Clue