围绕本课标题 A clear conscience 问心无愧（小偷还钱的故事）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：The whole village soon learnt / a large sum of money had been lost / the local butcher / had lost his wallet / taking his savings to the post office / must have been found by one of the villagers / not returned to him / outside his front door / wrapped up in newspaper / together with a note / only 50 per cent a thief / Only 25 per cent a thief now / In time, all Sam's money was paid back / I am 100 per cent honest now