I / have / toothache / so / I / have to / see / dentist53/56 I / have / toothache / so / I / have to / see / dentist.I have a toothache so I have to see dentist.I have toothache so I have to see dentist.I have a toothache so I have to see the dentist.I have toothaches so I have to see the dentists.Giải thíchĐáp án C Dịch: Tôi bị đau răng nên tôi phải đến nha sĩ.