围绕本课标题 He often does this! 他经常干这种事！（酒店里丢提包）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：After I had had lunch / I had left it on a chair / As I was looking for it / can't pay the bill / gave it back to me / My dog had taken it into the garden