ExercisesDownloads打开原始音频 / 视频 →B1 LISTENING TESTSQuestion 1 / 6请完成全部题目,最后查看答案与解析LISTENING · B1 ▶Listen and answerENThe system of tunnels and caves in the Cappadocia region was first discovered 1,000 years ago.ATrueBFalse保存并进入下一题 →