My biomechanic result reminded my physics teacher, ms sin. She was a great teacher. When i was in secondary 3,she give us free tuition on sat for the whole class. When i was secondary 4 during Sept holiday, li pei and i went to ask from her help and she gladly accepted. She set an really hard preliminary paper and our class only 7 passes and i fall in the failure group. However during my o level i got a B3 for it i was really happy about it.