Imagine you are a doctor. An overseas student from England is suffering from a toothache. He is coming to you for help. Read aloud the following dialogue with your partner by putting in the missing words. You: What's 1 ______________? You don't look 2 ______________. Patient: Oh, doctor. I have got a terrible toothache. You: Let me 3 ______________. Open your mouth. Oh, the whole gum (牙床) is sore. Patient: I can't eat or sleep at all. I'm feeling weak and dizzy. You: That's no surprise. Don't 4 ______________. I'll prescribe 5 ______________ for you. It will 6 ______________ very soon. Patient: Thank you, doctor. How should I take the medicine? You: 7 _______________________ twice a day. And spray the liquid on the gum 8 __________________. Patient: I see. Thank you, doctor.