Helen Laoshi ,
Wo mingtian bu zai . Wo dei gongzuo wan . (I have to work late) . Dui bu qi .
helencao_counselorAugust 10, 2010, 05:07 AM
谢谢你提前告诉我！（Thank you for letting me know in advace!）
Oh, by the way, just a samll correction of this sentence 'I have to work late' here:
我得工作到很晚。 （or 我得加班 = I have to work overtime.）
Hope that makes sense!