you can go to this website to see our 'O' levels timetable http://www.seab.gov.sg/SEAB/oLevel/2007GCEOTimetable.pdf you will notice that our mother tongue oral stretches from the FIRST WEEK till the third week after school reopen. since our teacher never say anything we don't know when is our exact oral date. but it may be the on the first week so pls revise and be prepared for oral!