Unit9SeeingthedoctorUNIT9SeeingthedoctorUNIT9SeeingthedoctorYoushouldtakesomemedicine.你应该吃药。Youshouldn'tgotobedlate.你不应该睡觉晚。情态动词should--应该,should后跟动词原型,否定式shouldn't--不应该。UNIT9SeeingthedoctorUNIT6ListenandsayUNIT6ListenandsayUNIT9LookandlearnUNIT9ReadastoryUNIT9ReadastoryUNIT9ReadastoryUNIT9ReadastoryUNIT9AskandanswerUNIT9AskandanswerUNIT9AskandanswerUNIT9ListenandenjoyUNIT9LearnthesoundsUNIT9Learnthesounds音标学习ay-[ei]ai-[ei]Revision3Revision3Revision3Revision3Project2Project3Project3Project3Project3THANKYOU