围绕本课标题 A wet night 雨夜（露营遇雨）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：put up their tent in the middle of a field / As soon as this was done / put out the fire and crept into their tent / sleeping bags were warm and comfortable / slept soundly / It was raining heavily / a stream had formed / wound its way across the field