围绕本课标题 Terrible toothache 要命的牙痛（要命的牙痛 · 预约看牙）主题，AI 老师会出 若干个简单问题，
每个问题听完后，用 完整句子口头作答。
⚠️ 尽量说完整句子，不要只说一个词；优先用本课句型与词语：I want to see the dentist / Do you have an appointment / Is it urgent / Can you come at 10 a.m. / Can't you wait till this afternoon / my toothache can't