1. 更正   answer   homework   teach   correction   Hint Half-n-half Clue   2. 研究   write   homework   study   lesson   Half-n-half Clue   3. 教   teach   learn   read   correction   Half-n-half Clue   4. 考試   lesson   teach   homework   examination   Half-n-half Clue   5. 答復   answer   write   read   learn   Half-n-half Clue   6. 教學   homework   question   answer   teaching   Half-n-half Clue   7. 標記   mark   study   write   learn   Half-n-half Clue