问题补充：
---Does China have cultural relics?
--- Yes, it is admitted that many cultural relics in the world, such as the Great Wall, the Potala Palace, the Magao Caves and so on, China.
A. belongs to
B. are belonging to
C. belonged to
D. belong to
答案：
A. belongs to
B. are belonging to
C. belonged to
(答案→)D. belong to
解析：这题考查belong to的用法：belong to“属于”不能用进行时和被动式，句意是;--中国有文化遗产吗？--是的，大家承认世界上的很多文化遗产象长城，布达拉宫，莫高窟等等属于中国。选D。
