谈论自然景观与地理知识 — 英语填空题
题目
补全对话，每空一词：A: Have you ever been to the Great Wall? B: Yes, I have. It is one of the most famous ___ (景点) in China. A: I hear it is more than 20,000 ___ (千米) long. B: That's right! It's really a wonderful place to visit.