从方框中选择适当的句子完成下列对话。 A. Ah...Is there anything serious? B. Thank you, doctor. C. I've got a bad headache. D. My temperature seems all right. E. About two days. A: What's your trouble? B: 1______ A: How long have you been like this? B: 2______ A: Have you taken your temperature? B: 3______ A: Let me examine you. Open your mouth and say 'Ah'. B: 4______ A: You've just got a cold. It's nothing serious. Take this medicine three times a day and drink more hot water. 　　B: 5______