围绕本课标题 Taxi! 出租汽车！（会飞的出租汽车）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：has bought an unusual taxi / has begun a new service / a small Swiss aeroplane / land anywhere: on snow, water, or even on a ploughed field / a doctor who flew from Birmingham / Since then, has flown passengers / the roof of a block of flats / a deserted car park / refused a strange request