围绕本课标题 Persistent 纠缠不休（躲不开的熟人）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：crossed the street to avoid meeting him / he saw me and came running towards me / It was no use pretending / I waved to him / never enjoy meeting Nigel Dykes / He never has anything to do / No matter how busy you are / insists on coming with you / preventing him from following me around / Fancy meeting you here / how to spend the morning / Would you mind my coming with you / I'm going to the dentist / plenty to read in the waiting room